Item Type: Wireless Audio Adapter Material: ABS Color: As Pictures Shown Weight: Approx. 149g/5.3oz Bluetooth Version: V5.0 Battery Capacity: 600mAh Battery Type: Rechargeable Lithium Battery Working Time: 18 hours Working time in Transmitter Mode: 22 hours Charging Time: 3 hours Transmission Range: 10m/32.8ft (Open Area) Audio code: TX: for APTX HD/APTX low latency/ APTX/SBC RX: for APTX HD/APTX low latency/ APTX/SBC/ACC 1、The latest update for CSR8675 chip, with the latest Bluetooth 5.0 power, is a portable adapter that can be used as a transmitter or receiver and can be paired with two devices at the same time. 2、Low latency data transfer will allow you to enjoy your favorite movies, games and TV shows without latency, and you can enjoy the sound quality of HD stereo at the same time. (Note: You also need to enable a bluetooth headset or speaker with low latency) 3、Dual stream support (transmit mode and receive mode), transmission can connect two Bluetooth audio devices, receivers can connect two devices at the same time. 4、The Bluetooth adapter uses a standard 600mA battery with a charging time of approximately 3 hours, RX service time of at least 18h, and TX service time of 22 hours. 5、With transmission range 10 m/32.8ft, audio transmitter is parctical to use. Plug and play. 1 x Audio Adapter 1 x Charging Cable 2 x Connecting Cable 1 x Audio Cable