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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
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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]
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4.7 ★★★★★
Based on 7 reviews
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Product Reviews
★★★★★ 4
I enjoyed getting to know Marius and Bella
Format: Kindle
This was the first book I have read the Marius Quin series by Benedict Brown. I do believe I would have enjoyed it more if I had more background into the primary characters, Marius Quin and Lady Bella Montague. However, I still liked spending time trying to solve the murder mysteries and getting to know Marius and Bella more. The relationship between the two of them is entertaining, and I loved that while they have such different personalities, their relationship is built on a lifelong friendship and full of warmth and caring. A nice cozy mystery that I enjoyed enough that I will go back and read the earlier books in the series.
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Reviewed in the United States on March 23, 2026
★★★★★ 5
Murder and Christmas Cheer!!!
Format: Kindle
Christmas is a joyous time of year and not a holiday usually associated with murder, but Benedict Brown serves up a classic British mystery, set in the 1920’s, with seasonal warmth, cheer and numerous deaths. This is the sixth novel in the Marius Quin series and, at the beginning of the novel, the reader finds Marius in a good place – he’s finally accepted that the war is over, his new novel is at his publisher’s and Bella, the woman he loves, is back in his life. At a Christmas party at Bella’s parents’ manor house, he runs into a white-haired lady, talking to herself. Adele Leach, “Aunt Addie,” says that she’d been to the police because a friend was in danger and, if anything happened to her friend, that she knows who her killer is, and then Adele rushes off. Quite soon thereafter, Adele is found dead and the police attribute her death to natural causes: She was in her 80’s and had a weak heart. Marius and Bella know better and go to Holly Village, where Adele lived, to investigate. Of course, more murder follows and the duo satisfyingly reveal the culprit, and the end of the novel is filled with Christmas cheer, reminiscent of A Christmas Carol by Dickens. The plot keeps the reader guessing, but what really appealed to me was the setting. Holly Village is right out of Dickens and is a real village which was built during the Victorian time, with twelve-dwellings, each with turrets, towers and gargoyles, located in the heart of London, next to Highgate Cemetery (an appropriate setting for a murder mystery)! I totally recommend this new Christmas novel by Benedict Brown.
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Reviewed in the United States on November 11, 2025
★★★★★ 5
An Old Prof's Delight
Format: Kindle
All of Mr. Brown's Marius Quin mysteries are interesting and thoroughly enjoyable reading. The characters, especially the main ones--Marius, Bella, and Percy--are among my all-time favorites, and that after more than 65 years of reading mysteries (started when I was 16)! I highly recommend "Holly Village," for Christmas or otherwise, and impatiently await the next book in the series.
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Reviewed in the United States on February 6, 2026
★★★★★ 5
I love this series so much!
Format: Kindle
It's not Christmas time without a Benedict Brown Christmas book! I love this series and I love how the characters are maturing/coming into their own. Marius and Bella are amazing and their banter is always top notch. I have read every single book this author has written and he still surprises me with his twists and who done it! The ending of this one was super emotional, I had tears during the reveal! I cannot wait for the next! Especially with the promise of big leaps in certain plot lines! Pick up this series, it is A++++ reading.
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Reviewed in the United States on December 12, 2025
★★★★★ 4
still loving the series!!
Format: Kindle
I’m a fan. Marius and Bella feel like friends now. But somehow the story took some time to build up; although I understand Bella’s torments and emotions need to be dealt with… I’m looking forward to the next one in the series!!
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Reviewed in the United States on March 1, 2026