Supports CD level high fidelity stereo sound quality, high sampling rate, and clear sound quality, noise and electric current, restore sound details, and enjoy beautiful music to the fullest. Made of high rebound material, designed for narrow environments such as wall mounted televisions and wall mounted audio systems, it is soft, to bending, and can last longer. Small to see big, powerful range, built-in large capacity battery, charging for 2 hours, Listening to music for about 14 hours, more than wireless headphones. Small and , easy to carry, Anti loss metal buckle design, can be hung on the backpack. 10 meter long distance transmission continuously connected, can be heard even in a corner Enjoy the joy of freedom. Working mode indicator light, clear and visible working status.Blue: RX indicator light (reception mode), Red: TX indicator light (emission mode). Product Name: C49 2-in-1 audio adapter Product model: C49 Wireless version: Wireless 5.2 Transmission distance: The open area is 10 meters long and free from any obstacles Power supply method: Type-C interface Basic functions: Wireless audio reception/transmission Endurance: About 14 hours Product size: 98.8mm x 25.9mm x 11.8mm Colour:Black Material:Plastic Package Contents: 1 * 2 in 1 Bluetooth Audio Transmitter Receiver Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.