Yumanbei YMB-138 Portable Bluetooth Speaker: 66-inch full-range speaker!

OEM/ODM - Support Small MOQ.Yumanbei YMB-138 Portable Bluetooth Speaker: 66-inch full-range speaker!

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Product Description

Product actual photos

OEM / ODM

R&D & Quality

1. Core Function Section (Structured Presentation + Buying Point: *66mm full-range loudspeaker, opening the door to a wide range of musical sounds)

All-in-one playback mode, breaking away from audio limitations

Equipped with Huayaoxin's 3.7V single-channel Bluetooth chip, with a connection distance of over 10 meters, stable signal without delay. One-click pairing is available for mobile phones, tablets, and computers. In addition to Bluetooth connection, it supports TF card direct reading, USB interface playback, and FM radio function, meeting audio needs in different scenarios - use TF card to play pre-recorded song lists when there is no network outdoors, insert a USB drive to play meeting recordings during office hours, and listen to FM radio at home to obtain information.

• Visual Matching: Function Icon Matrix (Bluetooth + TF Card + USB + FM + TWS)

With top-notch configuration and full performance, an excellent experience

The speaker is equipped with a Φ66mm 3Ω 8W full-range speaker inside, which provides the speaker with a wider frequency response range. It can cover the entire frequency band from deep and powerful bass to crisp and bright treble, bringing a震撼 auditory experience in all scenarios. It also supports DC5V-500mA continuous charging. The body is made of ABS + silicone + mesh material， which is shock-resistant and wear-resistant. It is also equipped with IPX4 waterproof grade， which is not afraid of rain, splashes, and can be used safely in outdoor camping， pool parties， and bathrooms.

• Visual combination： Technical parameter illustration (full-range speaker structure + 74 vibration plate units) + Material close-up illustration (screen-printed logo + high-density woven fabric mesh dust-proof mask)

2. Detailed design + Side RGB ambiance, appearance level combines functionality and practicality

Product size: 114x114x133MM, net weight: 545g, lightweight and portable. The device is equipped with side RGB ambiance lights. The light color changes in sync with the music rhythm, creating a romantic atmosphere at night. It is suitable for family gatherings, friend parties, outdoor camping, etc., enhancing the atmosphere. The user-friendly operation button design is clear and understandable, making it easy for the elderly and children to operate. The connection distance is ≥ 10 meters, eliminating the need for wire constraints. At home, it can be freely moved in the living room, and outdoors, it can play stably without getting close to the device.

3. Technical Specification Table

Bluetooth Version: 3.7V Single Channel

Output Power: 5W

Core Functions: TF/USB/FM/TWS/BT/RGB

Waterproof Level: IPX4

Speaker Specifications: Φ66mm, 3Ω8W

Battery Capacity: 1200mAh

Charging Voltage: DC5V-500mA (Rechargeable)

Playtime: 2h

Connection Distance: ≥10M

Product Materials: ABS + Silicone + Mesh

Product Size: 114x114x133MM

Net Weight: 545g

Gross Weight: 610g

Color Box Packaging Size: 119x116x139MM

Packing Quantity: 48PCS

Outer Box Size: 497x483x436MM

Gross Weight Of The Box: 30.5KG

4. Application Scenarios Section

Compact in size, powerful in sound

"Outdoor Camping": IPX4 waterproof + strong sound penetration, paired with RGB ambient lights, creating a full atmosphere effect;

"Family Gatherings": TWS stereo surround sound, enhancing the sense of ceremony for birthday parties and festive meals, with ambient lights adding to the joyful atmosphere;

"Office and Leisure": Compact design doesn't take up space, playing light music to relieve work pressure, FM function for keeping abreast of industry news at any time;

"Sports and Fitness": Sweat-proof and waterproof design, allowing for indoor exercise and relaxation, strong sound effects to drive the rhythm of exercise;

"Relaxation in the Bathroom": IPX4 waterproof, not afraid of water vapor, enjoying immersive music experience while taking a bath, relieving fatigue from a day's work.

5. Advantage and Value Section

Choosing YMB-138 from Yumanbei is not just about a speaker

"Universal Compatibility": Multiple playback modes + TWS pairing, meeting audio needs in various scenarios, one unit can replace multiple units;

"Full Frequency Speakers": 66mm full frequency speakers; covering the entire frequency range of bass and treble, not missing any musical moment;

"Durability and Reliability": ABS + silicone + fabric mesh material + IPX4 waterproof, shock-resistant and resistant to splashes, longer service life;

"Appearance Level on Par": RGB ambient light + simple and portable design, balancing practicality and aesthetics, suitable for personal use or as a gift;

"Factory Guarantee Source": 10 years of Bluetooth speaker production experience, supporting OEM/ODM customization, stable quality with guaranteed reliability.

6. Usage Method + Safety Tips (Simple and Easy to Understand + Safety Guidance)

Easy to operate, safe to use

• Usage Method:

1. Power On: Press and hold the power button for 3 seconds, and the indicator light will turn on to power on;

2. Connection: After powering on, it will automatically enter the Bluetooth pairing mode. The phone can search for "YMB-138 Speaker" to connect;

3. Mode Switching: Press the mode button briefly to cycle through Bluetooth/TF/USB/FM modes, and the corresponding indicator light will turn on;

4. Charging: Use a DC5V-0.5A charger and insert it into the charging interface. The charging indicator light will turn on, and it will go off after being fully charged.

• Important Notes:

1. Avoid using for long periods in high temperatures (＞45℃) or low temperatures (＜-10℃) to prevent damage to the battery lifespan;

2. The waterproof rating is IPX4, which only prevents splashes, and it is not suitable for immersion in water;

3. When cleaning, use a dry cloth to wipe, and avoid allowing water to enter the interface;

4. Do not disassemble the speaker by yourself. If repair is needed, please contact the official after-sales service.

• Visual Presentation: Step diagram (simplified operation process) + Icons for important notes (prohibition of use in high temperatures, waterproof reminder, etc.)

7. After-sales Service + Accessories List

Unlimited after-sales support, purchase with peace of mind

• After-sales Service:

1. Warranty Policy: Free repair or replacement of accessories for non-human damage;

2. After-sales Support: 7×24-hour online customer service consultation (Chinese/English/dual language), promptly resolving usage issues;

3. Custom Service: Supports OEM/ODM customization, can adjust functions, appearance, packaging according to requirements to meet bulk purchase needs.

• List of Accessories:

1. Unpackaged product × 1;

2. Ordinary black TYPE-C charging cable × 1;

3. Product manual (Chinese/English/dual language) × 1;

4. Product certificate × 1;

5. Installation dust cover × 1.

4. Application Scenarios Section

Fully compatible across all scenarios, available wherever you go

"Outdoor Camping": IPX4 waterproof + long battery life, paired with RGB ambient lighting, creating a full atmosphere for a music party under the starry sky;

"Family Gatherings": TWS stereo surround sound, adding a sense of ceremony to birthday parties and holiday meals, with ambient lighting enhancing the joyful atmosphere;

"Office and Leisure": Compact design, not occupying much space, playing light music to relieve work stress, FM function for keeping abreast of industry news at any time;

"Sports and Fitness": Sweat-proof and waterproof design, suitable for running and yoga, strong sound effect to boost the rhythm of exercise;

"Relaxation in the Bathroom": IPX4 waterproof, not afraid of water vapor, enjoying immersive music experience while taking a bath, relieving fatigue from a day's work.

5. Advantage and Value Section

Choosing YMB is not just about a speaker

"Universal Compatibility": Multiple playback modes + TWS pairing, meeting audio needs in various scenarios, one unit can replace multiple units;

"Powerful Battery Life": 6000mAh large-capacity battery, 10-hour playback time + mobile charging function, no anxiety when using outdoors;

"Durable and Reliable": ABS + silicone + fabric mesh material + IPX4 waterproof, shock-resistant and splash-proof, longer service life;

"Appearance Level on Point": RGB ambient light + simple and portable design, balancing practicality and aesthetics, suitable for personal use and as a gift;

"Factory Origin Guarantee": 10 years of Bluetooth speaker production experience, supporting OEM/ODM customization, stable quality and guaranteed.

6. Usage Method + Precautions (Simple and understandable + Safety guidelines)

Easy to operate, safe to use

• Usage Method:

1. Power On: Press and hold the power button for 3 seconds. The indicator light turns on, indicating that the device has powered on;

2. Connection: After powering on, it automatically enters the Bluetooth pairing mode. The phone can search for "YMB-138" to connect;

3. Mode Switching: Press the mode button briefly to cycle through the Bluetooth/TF/USB/FM modes, and the corresponding indicator light will turn on;

4. TWS Pairing: After both speakers are powered on, press the TWS button of both devices briefly to automatically complete the pairing and achieve stereo playback;

5. Charging: Use a DC5V-500mA charger and insert it into the charging interface. The charging indicator light turns on, and it will go off after being fully charged.

• Important Notes:

1. Avoid using for long periods in high temperatures (＞45℃) or low temperatures (＜-10℃) to prevent damage to the battery life;

2. The waterproof rating is IPX4, which only prevents splashes, and it is not suitable for immersion in water;

3. When cleaning, use a dry cloth to wipe, and avoid allowing water to enter the interface;

4. Do not disassemble the speaker by yourself. If repair is needed, please contact the official after-sales service.

• Visual Presentation: Step diagram (simplified operation process) + Icons for important notes (prohibition of use in high temperatures, waterproof reminder, etc.)

7. After-sales Service + Accessories List

Unlimited after-sales support, purchase with peace of mind

• After-sales Service:

1. Warranty Policy: The product enjoys 1-year free warranty service. Non-human damage can be repaired or replaced for free;

2. After-sales Support: 7×24-hour online customer service consultation (Chinese/English/dual language) is provided to promptly solve usage problems;

3. Custom Service: Supports OEM/ODM customization. Functions, appearance, and packaging can be adjusted according to requirements to meet the needs of bulk purchases.

• List of Accessories:

1. Portable Bluetooth speaker × 1;

2. USB charging cable × 1;

3. Product manual (Chinese/English/dual language) × 1;

4. Warranty card × 1;

5. Portable storage bag × 1.

OEM/ODM

Requirement analysis and solution provision

OEM project: Our engineers will review your design draft and technical documents, confirm feasibility, and provide production optimization suggestions.

ODM project: Our sales and design team will have in-depth communication with you and provide a comprehensive solution including material selection, rendering, process description, and preliminary quotation based on this.
Quotation and Contract Signing

After the scheme is confirmed, we will provide a formal quotation including quantity, unit price, mold fee, payment method, and delivery time.

After both parties confirm the accuracy, sign the contract and make a prepayment (usually 30% -50% of the total amount).
Sample production and confirmation

We will produce physical samples according to the confirmed plan and send them to you by express delivery.

Please confirm the material, color, size, and feel of the sample. At this stage, up to 2 free modifications can be made to ensure that the sample fully meets your requirements.
Mass production

After receiving your sample confirmation email, we will start mass production. During the production process, we implement a strict QC (Quality Control) system.
Pre shipment inspection and final payment

After production is completed, we will provide photos or videos of the finished product for you to confirm before final shipment.

After you confirm the accuracy, pay the remaining balance.
Packaging and Logistics

We provide professional packaging according to your requirements (such as regular boxes, inner boxes, or pressure resistant packaging) and arrange shipment through your designated logistics method, providing all logistics documents.

R&D & Quality

Acoustic tuning technology

Algorithm and software tuning: We collaborate with professional third-party companies. In addition, with the help of intelligent EQ and digital debugging tools, the sound can be finely and personalized adjusted, greatly improving debugging efficiency.

Hardware and structural innovation: Acoustic architecture is the physical foundation of sound quality. Can increase the volume of the vocal cavity by 29% in the same volume, enhancing low-frequency performance. We use wireless multi-channel technology to achieve a cinema level surround experience in home environments.

R&D facilities and cooperation: R&D relies on a professional environment. At the same time, industry university research cooperation with universities and international acoustic research institutions is the key to maintaining technological leadership.
Quality control system

Full process inspection: A rigorous system typically includes IQC, PQC, and OQC.

Standardization and quantification: All inspections are carried out according to clear document standards, covering appearance, material, buttons, core electroacoustic performance, etc. Strict quality control can keep the factory defect rate at an extremely low level, far exceeding the industry average.
Reliability testing

Environmental reliability testing: including high and low temperature, humid heat, salt spray corrosion testing, etc., to test the product's tolerance to different climates and corrosive environments.

Mechanical and lifespan testing: including drop testing, vibration testing, interface plugging durability testing, etc., simulating transportation, accidental drops, and daily wear and tear.
Special protection testing: mainly refers to IP dust and water resistance level testing. This is a key indicator for outdoor portable speakers, which means that the product can be completely dust-proof and can be soaked in water for a period of time.
Compliance and Certification

Safety certification: The most common is China's CCC certification. It is worth noting that if the speaker is equipped with a power adapter or battery, these components themselves also need to have corresponding certifications.

Electromagnetic compatibility and radio certification: The electromagnetic interference generated by the product must not affect other devices, and it must also be able to resist interference. Entering the US market requires FCC certification, while the EU requires CE certification. In addition, the use of wireless technologies such as Bluetooth requires BQB certification from the Bluetooth Technology Alliance.

Environmental and other certifications: may include RoHS, energy efficiency labeling, etc. Enterprises usually entrust authoritative third-party testing laboratories with CNAS, CMA and other qualifications to complete relevant tests and issue reports

Enterprise Picture Collection

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Product Description

Product actual photos

OEM / ODM

R&D & Quality

OEM/ODM - Support Small MOQ.Yumanbei YMB-138 Portable Bluetooth Speaker: 66-inch full-range speaker!

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