Are you looking for a professional, yet audio receiver transmitter? Are you in search of a sturdy, trustworthy tool that can do multiple jobs at once? , ! Our professional audio receiver transmitter must meet you needs. It is one of the for you. Features - Color: Black. - Size: 3.2 x 1.7 x 1 cm. - Material: Plastic & metal. - Transfer rate: 25Mbps. - Working frequency: 24000MHz. - Working range: Max 10m. - This USB receiver transmitter is small and lightweight which is convenient for you to carry. - This USB audio adapter features a LED indicator light, can easily distinguish different mode. - Transmitter mode: It can stream audio from your TV,speaker and CD player and you can use your wirelsess earphone to connect with it. - Receiver mode: It can stream audio from your smartphone,tablet and computer,so the plugged device can connect with your phone and play the music. - USB power: You can charge it on the USB port and connect it to the device via the audio adapter while using, and never worry it will run out of power when listening to music. Package list: 1 receiver transmitter 1 cable