1. Input interface: TYPE C 2. Bluetooth transmission distance (no obstacles): 8-10 meters 3. Operating frequency range: 2.402GHZ-2.480GHZ 4. Bluetooth version: BT5.0 (CSR8670) 5. Power on: Five lights are on for 2S at the same time (on for 500ms, off for 500ms) 6. Pairing with P1: the light corresponding to P1 flashes quickly (on for 250ms and off for 250ms) How to operate 1. Connect the Bluetooth headset: Insert the TYPE-C male of the Bluetooth transmitter into the TYPE-C port of the SWITCH host, the five lights flash quickly for 2 seconds, and then the white LED lights on both sides of the Bluetooth transmitter flash slowly. (One receiver can only connect one headset) 2. After operating the Bluetooth headset to make it work in pairing mode, press and hold the A button for 2 seconds, and the first white LED light flashes from slow to fast, indicating that the Bluetooth transmitter enters the pairing mode. After successful pairing, the Bluetooth transmits The white LED light of the device is always on. 3. At this time, the sound of the SWITCH host will be emitted from the Bluetooth headset, indicating that the wireless Bluetooth connection is successful. At this time, the product automatically recognizes the format of the Bluetooth device, and the corresponding mode light is on. With packing size: 7.2*11*1.6cm Weight with package: 25g naked 10g