1. Video/audio interface: Bluetooth 5.0 2. Applicable products: for Switch /Lite / PS4 /PC 3. Connection method: insert 4. Size: 7.8x7.8x2.8cm 5. Weight: 50g 6. Material: ABS 7. Features: 1. Support automatic reconnection function 2. Plug and play, no driver required 3. The audio code mode is clearly displayed by the indicator light 4. Compatible with Bluetooth 5.0, 4.0, 3.0, 2.1 earphones 5. Bluetooth transmission distance (without obstacles): 8-10 meters 6. Support two wireless HIFI audio headsets 7. The dual buttons can be used to pair two headphones quickly and easily 8. Ultra-thin and exquisite appearance, with protective base; easy to store, carry and use.