1. Transmission distance: 20 meters 2. Input voltage: DC5V 3. Interface type: 3.5mm interface / USB interface 4. For: computer, TV, projector (launch mode) / speaker, headset (receiving mode) 5. Double signal one-key switch, simple and easy to use 6. Start the automatic second connection, without operation 7. High resolution to restore the lossless sound quality, HIFI music experience, listening to songs without delay 8. Stable signal and barrier-free connection 9. Plug in the long press button for three seconds to turn on the colorful atmosphere light 10. Weight: 16 grams 11. Size: 60x31x8 mm
