Use 2.4G technology for high-definition sound quality without delay transmission<br> External antenna, better transmission effect<br> Automatic connection when power on<br> Support & 3.5mm port Input<br> Support & 3.5mm port Output<br> This product is a wireless audio transmitter, using 2.4G technology for high-definition sound quality without delay transmission,The transmitter can transmit the 2.0 analog stereo audio signal of and 3.5mm audio interface to the receiver at a distance of 50meters for listening. Using Nsendato of product can solve the problem of tedious operation of repeatedly switching/setting the output audio format of the signal source and the problem of messy cable binding. Therefore, it is widely used in home audio-visual, schools, squares, electronic games and other places<br> Receiver can drive headphones<br> Support two-way volume control<br> Wide range of power interface Type-c power supply<br> Maximum transmission distance:50M<br> RX power consumption:5V/45mA<br> TX power consumption:5V/150mA<br> RF frequency:2400Mhz<br> Transmit power:14DB<br> :67DB<br> Frequency Range:20HZ-14.5KHZ<br> Output the highest level:1.75Vp-p<br> Colour:Black<br> Material:ABS<br> Package Contents:<br> 1 * audio receiver<br> 1 * audio transmitter<br> 2 * usb cable<br> Only the above package content, other products are not included.<br> 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.