1. The A6, a versatile Bluetooth 5.1 audio adapter that functions both as a receiver and transmitter. 2. Compatible with all mobile phones, tablets, and can be seamlessly integrated into your car, computer, or TV setup. 3. Enhance older speakers by adding Bluetooth connectivity and enjoy high-quality audio wherever you are. 4. Bluetooth 5.1 Technology: Ensures a stable and fast connection.Dual Mode: Can be used both as a receiver and a transmitter. 5. Extended Wireless Range: Covers up to 15 meters.Multiple Inputs: Includes support for coaxial, U disk, and TF card playback. Microphone Input: Comes with mic support for karaoke or announcements. Specifications: product model:A6 Bluetooth version:V5.1 Support portcol:RX: A2DP/AVRC,TX: A2DP Frequency range:2400-2483.5MHz Sensitivity:-81dBm Less than 0.1%BER Transmission distance:Barrier-free about 15m Frequency response:20Hz-20KHz Signal-to-noise ratio: equal 75db Audio Performance: AAC decode Interface type:USB port,TF card slot,AUX in/out, R/L out,Coaxial in,MIC in Basic function:Bluetooth receiver/Bluetooth transmitter Use method:Plug and play Support equipmect:Mobile phone/tablet/PC/TV/speaker/amplifier/headset/projector/Mixers and other equipment with audio input/output interfaces Power supply mode:Type-C interface Input parameters:DC 5V1000mA (max) Battery capacity:3.7V/800mAh 2.96Wh Using the length:About 5-7 hours (Charging time: about 2 hours) Due to different batches, there may be differences in product appearance and printed text, which not affect use Colour:black Material:ABS Package Contents: 1 * Bluetooth audio adapter 1 * AUX 3.5mm audio cable 1 * 1 to 2 to AUX 3.5mm audio cable 1 * USB-C charging cable 1 * Antenna 1 * Remote control Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.