Item Type: Bluetooth Adapter r nMaterial: ABS r nBluetooth Version: 5.0 r nBluetooth Chip: CSR 8675 r nFrequency Range: 2.402GHz-2.480GHz r nCommunication Distance: RX: Approx. 120m / 393.7ft, TX: Approx. 120m / 393.7ft r nBluetooth Protocol: for A2DP/AVRCP r nEncoding and Decoding Method: APTX HD, APTX LOW LATENCY, APTX, SBC, ACC r nPower Supply Mode: Type-C Interface r nLithium Battery: 450mAh (battery included) 1、With 1 to 2 functions, supports both transmitter and receiver mode simultaneous connection of two devices. 2、Supports long-distance signal transmission, the signal is strong and stable, if there are no obstacles, the transmission distance is 120 meters. 3、Supports aptX?HD high-definition decoding technology, CD?level high?fidelity stereo sound quality. 4、It can be remotely controlled via APP, and all functions can be easily controlled via APP. 5、CSR8675 main control chip and bluetooth 5.0 are used to provide high?quality wireless audio performance. n1 x Manual n1 x Bluetooth Adapter n1 x RCA Audio Cable n1 x 3.5mm Audio Cable n1 x Optical Fiber Cable n1 x Charging Cable