Features:
1. No need for driver plug and play: multiple interface designs to meet various needs, allowing old devices to easily have Bluetooth
2. Better connection effect of multi-device expansion port: Bluetooth audio receiving mode, 3.5mm AUX/coaxial/optical audio output, multi-device expansion port, let you feel better connection effect.
3. Upgrade Bluetooth speakers: connect old speakers or power amplifiers with 3.5mm AUX/coaxial/optical fiber interfaces and fiber optic coaxial interfaces to solve the problem that the speakers cannot use Bluetooth to play without Bluetooth
4. Support a variety of power amplifiers: Compatible with various old-fashioned power amplifiers, strong signal without delay, APTX-HD high-fidelity, enjoy CD-level sound quality
5. Support APTX-HD low latency + high restoration: High-fidelity APTX-HD allows Bluetooth to have CD-level sound quality HiFi shocking lossless sound quality, high-fidelity audio data restoration. Let the wireless connection enjoy the wired connection sound quality experience
6. Long battery life experience with large-capacity lithium battery: 500mAh large-capacity lithium battery, battery life can reach 10 hours
7. CD lossless sound quality APTX-HD high-definition decoding: APTX-HD decoding technology allows Bluetooth to have CD-level sound quality and enjoy lossless shocking sound quality
8. Bluetooth 5.2 chip music starts from the core Bluetooth 5.2 chip, the signal transmission is stable, low delay + high restoration, so that the audio signal can be transmitted wirelessly
9. With antenna, long distance, stable transmission 15M barrier-free transmission and reception without pressure

Parameter:
1. Bluetooth version: Qualcomm Bluetooth V5.2
2. Material: aluminum alloy
3. Interface: 3.5mm AUX/coaxial/optical (Note: only one interface output is supported, three interfaces do not support simultaneous audio output)
4. Transmission distance: about 15M
5. Charging type: Type-C/built-in lithium battery
6. Battery capacity: 500mAh
7. Working time: about 10 hours
8. Audio codec: APTX/APTX-HD/SBC/AAC
9. Range: 2400MHz-2483.5Mhz
10. Frequency response: 20Hz-20kHz
11. Dimensions: 73 x 70 x 20mm
12. Gross weight: 138 grams
13. Note: 3.5 AUX, RCA, coaxial, optical fiber audio cables are not included in the package, if necessary, please contact customer service

Parts List:
-1 x Bluetooth audio receiver
-1 x Charging cable
-1 x User manual