1. Switch to connect Bluetooth headphone: Solve the problem that the Switch cannot use the Bluetooth headset 2. Can connect two Bluetooth headphone at the same time  2.Hi-Fi fidelity sound quality: Support Qualcomm aptX innovative coding technology,enjoy lossless CD sound quality. 3.Low-latency  real-time audio synchronization: Using aptx low-latency codec to ensure the synchronization of the picture and audio.so that you will not be  hindered by sound in the game . 4.Small and portable, visible thin:  Receiver dimensions:     48(L)X18(W)X14(H) 5. Drive-free fast pairing: plug and play,one-key quick pairing,easier to use Switch,PS4,win8 and above system free drive. 6.   10 meters barrier-free transmission, without dead angle,do not miss every note 7. Support Bluetooth 5.0 / 4.0 / 3.0 / 2.1