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Ships within 48 hours · Estimated delivery Sep 22 - Sep 27
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Description
Digital Display Bluetooth 5.3 Audio Receiver Transmitter Support USB /TF Card MP3 Player, C681. Wireless frequency: 2. 4GHz 2. Working time: up to 5 hours 3. Bluetooth compatible version: 5. 3 4. Bluetooth compatible transmission distance: up to 10 meters in an open area without obstacles 5. Working voltage: DC 5V 6. Power supply mode: external power supply 7. Power supply mode: Type C interface 8. Interface type: AUX dual channel U disk TF card 9. Basic functions: Bluetooth compatible reception Bluetooth compatible transmission U disk
1. Wireless frequency: 2.4GHz
2. Working time: up to 5 hours
3. Bluetooth compatible version: 5.3
4. Bluetooth compatible transmission distance: up to 10 meters in an open area without obstacles
5. Working voltage: DC 5V
6. Power supply mode: external power supply
7. Power supply mode: Type-C interface
8. Interface type: AUX/dual channel/U disk/TF card
9. Basic functions: Bluetooth compatible reception/Bluetooth compatible transmission/U disk playback/TF card playback
9. Supported equipment: mobile phones/tablets/computers/TVs/speakers, power amplifiers/projectors/mixers and other devices with audio input/output interfaces
10. The transmission mode is suitable for: Bluetooth compatible speakers, Bluetooth compatible headsets, desktop computers, notebooks, TVs, projectors, set-top boxes
11. The receiving mode is suitable for: various speakers, car radios, power amplifiers, mobile phones, tablet computers
12. Product size: about 67x50x20mm/2.63x1.96x0.78 inches
13. Product net weight/gross weight: 38g/118g
14. Receiving + transmitting in one: TX transmitting mode, computer/TV upgrade Bluetooth compatible, easy to connect Bluetooth compatible earphones/speakers, solve the problem that TV cannot connect Bluetooth compatible earphones; RX receiving mode, easy to connect mobile phones/tablets, old speakers/ The Bluetooth compatible function of the power amplifier can be connected to the audio interface of the old speaker or power amplifier to solve the problem of incompatibility with Bluetooth and the inability to use Bluetooth compatible playback
15. Multi-function knob: support power on/off, play/pause, answer calls, end calls, reject calls, re-search, increase and decrease volume, CD-level high-definition lossless playback, HIFI high-definition decoding output, restore sound details, just like live music scene
16. Rich interfaces: meet the needs of different devices for AUX/dual-channel RCA/U disk/TF card, meet the needs of different devices and different audio interfaces, compatible with various brands of U disk TF cards, plug and play, no driver, stereo Sound quality, no transmission delay
17. Equipped with high-performance Bluetooth compatible 5.3 chip, low data transmission loss, fast response, strong anti-interference ability, bid farewell to delay, congestion and other problems, built-in signal gain amplifier, no dead angle in room connection, no delay in 10m transmission sound quality, stable signal without interference
18. Bottom design, non-slip silicone pad to prevent slipping
Connection operation:
- Step 1: Connect the product with the device through the input/output interface, and select the sending mode (TX) or receiving mode (RX) as required
- Step 2:
When using RX mode: turn on the Bluetooth compatibility of the mobile phone, search for "C68", and click to connect;
When using the transmission mode (TX): turn on the Bluetooth compatible headset/speaker and enter the waiting state. This product will automatically search for nearby devices and connect. The screen will stop flashing after the connection is successful
-Step 3: After successful pairing, you can enjoy the music journey
Specification:
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Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.8 ★★★★★
Based on 19 reviews
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Product Reviews
★★★★★ 4
Great chair for the price!
Color: Black
Great chair for the price. Bought for my son and he loves it. Easy to assemble. Good support.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 6, 2026
★★★★★ 5
Nice chair
Color: Black
This chair suits my needs for my home office. Less expensive than most I looked at and very comfortable.
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Reviewed in the United States on April 16, 2026
★★★★★ 5
Make sure you know the difference of high back vs mid back versions
Color: Brown, Size: Mid Back
I got a little confused by the reviews since they mix the high back version with the mid back. I thought the arm rests were adjustable and the back had some lean. Apparently only the high back version. That said, it is very nice. Its at least a hundred less than what you'd get at an office depot and it is generously sized and very supportive and comfortable. The assembly was relatively easy, instructions could have been a bit better. The piece connecting the seat and back doesn't sit flush with the mount that attached to the legs which is weird but it feels sturdy nonetheless.
Overall it's very nice and the design is really cool, it looks like a 70s race car style seat. Exactly what I was looking for basically. I sort of wish I got the high back version for the adjustable arms and the ability to recline but it is a work chair for me mostly so I guess it doesn't need to lean back, even if it would be nice if it did.
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Reviewed in the United States on January 14, 2026
★★★★★ 5
Excellent product. Great value, detailed parts and labels, outstanding construction.
Color: Brown, Size: Mid Back
Outstanding Purchase. The desk chair far exceeded my requirements and expectations. The price was so far below
other office chairs that I was concerned that it would be shoddy, uncomfortable, cheap looking and impossible to put together. Materials were top grade, instructions were precise and all parts were market for location with "front and back" labels. Not a screw was missing or misaligned. Since my desk and office are in the Master, really impressed with the color and design. Very comfortable with good back support ,adjustment ease and arm support.. Bravo to your
team!!!
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Reviewed in the United States on February 20, 2026
★★★★★ 5
Lovely and comfortable
Color: Brown, Size: Mid Back
Well made and easy to put together. I bought 2 and found them both to be well worth the money. You can tell the quality is there vs. other chairs I’ve bought online before.
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Reviewed in the United States on May 6, 2026