Features: and high quality2 in 1 functions: (transmitter mode )support one transmitter is connected to two Bluetooth-compatible speakers or headphones at the same for time, and one Codec is used at the same for time .Multi-point connection, one-to-two function (receiver mode): support two mobile phones to connected for Bluetooth-compatible headsets, receivers, speakers and other device KEY:0000Support CODECTX: aptXTMHD, aptXTMLow Latency, aptXTM, SBC;Support RX: aptXTMHD, aptXTM Low Latency, aptXTM, SBCUsing Bluetooth-compatible 5.0 CSR8675 chip, stereo stable sound receiver Specifications:Bluetooth-compatible version: V5.0 APT-X, H D, low latencyBluetooth-compatible chip: CSR8675Frequency range: 2.402GHz-2.480GHzReceiver mode working time: unlimited for time (plug and for play)Transmitter mode working time: unlimited for time (plug and for play)Communication distance: RX: 120M, TX: 120MBluetooth-compatible protocol: A2DP, AVRCPCodec: APTX H D, APTX LOW LATENCY, APTX, SBCPower supply mode: Type-C interfaceWorking temperature: -10-55Product net weight: 88gProduct size: approx 138mmx100mmx240mm/5.43x3.94x9.45inBluetooth-compatible protocol: A2DP, AVRCP (can be connected with Bluetooth-compatible speakers or headphones that support A2DP protocol to form a wireless o transmission network, used in TVs, CDs, home theaters and other equipment; can also be connected with mobile phones/computers to for play music )Output: Optical In, Optical Out, AUX In, AUX OutCharging interface: Type-C PD Note:Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand.Please allow 0-1cm error due to the manual measurment. Package includes:1x Bluetooth-compatible 5.0 o Receiver Adapter1x 3.5mm Aux Cable1x 3.5mm to 2 RCA Cable1x User Manual1x Fiber Optic Line1x Cahrging Cable