brand new and high quality Features: 1. The receiver supports use on the host / SWITCH host / PC host. 2. Support one transmitter to connect two stereo headphones at the same for time. 3. Support USB PD specification version 2.0, support power role interchange. 4. When the NS Switch host transmitter is connected to the Bluetooth-compatible sound device, plug in the Type-C interface charging cable to quickly charge the game console. 5. Bluetooth-compatible voice output, sound output of the host can be received through Bluetooth-compatible connection between Bluetooth-compatible sound device and transmitter 6. Indicator light: Supports power role interchange, a total of two indicators (red, blue), each color LED light represents a device. Type-C Bluetooth-compatible 5.0 Transmitter Set only, other accessories demo in the picture is not included! Instructions: 1. Bluetooth-compatible connection, the first for time you need to pair the Bluetooth-compatible sound device: press the pairing button for about 3 seconds, the blue LED flashes quickly to enter the pairing mode; then turn on the Bluetooth-compatible device search mode, the first Bluetooth-compatible sound pairing is successful. The rear blue LED flashes slowly. 2. If you need to connect another Bluetooth-compatible sound device, press the pairing button for about 3 seconds, then the red LED flashes quickly. (The blue light flashes, the Bluetooth-compatible sound connected before will be disconnected and then immediately connected.) Turn on the Bluetooth-compatible sound device search. Mode, after the Bluetooth-compatible sound device is connected successfully, the red light flashes slowly (connecting two Bluetooth-compatible sound devices, the red and blue LEDs flash slowly). 3. Back to the connected device, the device will automatically connect back after booting. After the power is turned back, the first connected blue LED will flash slowly, and the second connected red LED will flash slowly. 4. Bluetooth-compatible pairing button function: long press the pairing button for 3 seconds for the button to search for the connection mode, the LED light flashes quickly, long press the pairing button for 7seconds, the blue red light double flashes, and the previous connection information is cleared. LED corresponding mode: 1. The first Bluetooth-compatible sound connection is lit by a blue light. 2. The second Bluetooth-compatible sound connection is lit red. 3. Press and hold the 7-second blue red light for 3 times to clear the connection information before. 4. Long flashing 5 times short flash 4 cycles, indicating standby status. 5. Use the Bluetooth-compatible transmitter on the Switch host and plug in the power to the Bluetooth-compatible transmitter TYPE-C connector to charge the host. (unconnected or connected). 6. Use TYPE-C to USB adapter on PC/ host, plug in the Bluetooth-compatible transmitter USB interface on TYPE-C interface to connect to the host for Bluetooth-compatible connection (Bluetooth-compatible pairing according to 1.2.), you can use. 7. Microphone head: suitable for computer, game controller, mobile phone can be used. Specifications: Name: NS Switch & Bluetooth-compatible USB Transmitter Model: DN-A651 Input interface: USB 3.1 Type-C/USB A (Adapter) Bluetooth-compatible version: V5.0 Transmission distance: 10 meters Frequency range: 2.40Ghz-2.480Ghz Support protocols: aptX LL, aptX, SBC, A2DP, AVRCP, AFH, HFP, HSP Input voltage: 5V/9V/12V/15V Input maximum current: 3A Weight: about 40g Material: Plastic Size: app.2.5x10.4x7.3cm/0.98x4.09x2.87in Color: Black Quantity: 1 Set Note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Includes: 1 x Type C Bluetooth-compatible 5.0 Transmitter 1 x 3.5mm Microphone 1 x Type C Adapter