Description HD Microphone Handsfree Calling RX Receiver Mode For Car 5.3 Smart Chip 300MAH Battery 3IN 1 Bluetooth Receiver and Transmitter Low Latency Audio Stable Transmission Auto Connect Stable Transmission Technology: A2DP, AVRCP (receiver mode) Bluetooth: Bluetooth 5.0+ Interface: 3.5mm/USB Distance: Accessible 10 meters Power supply: 300mAh polymer battery Due to different batches, there may be differences in product appearance and printed text, which will not affect use Colour:Black Material:ABS Package Contents: 1 x Audio converter 1 x Charging cable 1 x Adapter cable 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.