Fangrui Product Details 1. B39 2 In 1 Bluetooth 5.3aux Music Receiver Tv Computer Adapter 2. Material: Abs 3. Bluetooth Version: V5.3 4. Transmission Distance: 10 Meters 5. Adopt Bluetooth 5.3 Technology And Dual-antenna Design To Reduce Signal Interference And Make Transmission More Stable 6. The Range Can Reach Up To 10 Meters With Unobstructed Line Of Sight, No Matter Where You Go Or Walk In The Living Room, You Can Ensure A Stable Connection Without Losing Signal 7. Dual Device Connection, Rx Mode Can Pair Your Phone And Tablet At The Same Time And Stream Music From Either, You Can Switch Quickly At Any Time, Tx Mode Connects Two Bluetooth Devices At The Same Time, Such As Bluetooth Headset, Bluetooth Speaker, With Your Share Musictv Sound With Friends, Family Or Companions 8. Tx Transmitter And Rx Receiver Mode: The Transmitter Enables Your Tv, Cd Player, Radio And Other Home Audio Source Devices To Stream Music To Your Bluetooth Headphones Or Speakers 9. Allow Your Non-bluetooth Devices (such As Old Speakers, Wired Headphones Or Amplifiers) To Stream Music Wirelessly From Your Phonetabletps4smart Tv 10. There Is A Big Button In The Middle To Increase Or Decrease The Volume 11. Dimensions: 11x26x6 Cm 12. Weight: 152 Grams 13. Note: The Operating Range May Be Affected By Wi-fi Routers, Wireless Tv Adapters, Doors, Walls, And Also Depends On The Receiving Device