<p>Strong signal 10m stable transmission Built-in signal gain amplifier, no dead angle in room connection 10m transmission sound quality without delay, stable signal without lag</p> <p>Bluetooth 5.3 Let music start from the core Smart Bluetooth chip, equipped with the new version of Bluetooth 5.3, more stable transmission, stronger signal, no pressure on Bluetooth transmission\/reception</p> <p>Support TF card playback Driver-free plug and play Support TF card playback, no transmission delay</p> <p>Rich interfaces Diverse gameplay Multiple interface options to meet the needs of devices</p> <p>Button operation Simple and convenient Equipped with multi-function keys to reduce tedious operations Support play\/pause\/song switching\/volume\/mode switching and other functions</p> <p>Bluetooth: Bluetooth 5.3</p> <p>Power supply: DC5V\/1A</p> <p>Frequency: 2.4GHz-2.48GHz</p> <p>Power supply voltage: DC 5V (no built-in battery)</p> <p>Bluetooth receiving function: connect 2 mobile phones</p> <p>Bluetooth transmitting function: connect 2 pairs of Bluetooth headphones</p> <p>Transmitter, receiver supports reading TF card for playback</p> <p>Screen display: can display 8 device names to be paired (transmitter)\/can display paired mobile phone name (receiver)</p> <p>Function: optical fiber input\/coaxial input\/AUX input\/output TF card playback</p> <p>Colour:Black</p> <p>Material:ABS</p> <p>Package Contents:</p> <p>1 x Bluetooth Adapter</p> <p>1 x 3.5mm Audio Cable</p> <p>1 x Coaxial Audio Cable</p> <p>1 x Fiber Optic Cable</p> <p>1 Cable</p> <p>1 x Chinese and English instruction manual</p> <p>Only the above package content, other products are not included.</p> <p>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.</p>