Description: USB powered: This wireless audio receiver is directly powered by USB so you can easily connect it to a USB power adapter Dual output: This bluetooth-compatible audio adapter is designed with 3 5mm and RCA audio output that can connect with two devices at the same time Built-in mic: This wireless audio adapter supports hands-free call and allows you to answer hang up redial phone 5 0 version: This audio receiver features bluetooth-compatible 5 0 that can provide a fast and stable connection User-friendly: This bluetooth-compatible audio adapter features a 3 button operation and allows you to turn up/down volume switch songs and so on Specification: Bluetooth-compatible version: 5 0 Color: Black Material: ABS plastic Transmission distance: <10m Size(LxWxH): Approx 7 8x4 8x1 8cm/3 07x1 89x0 71 inch Note: There might be a bit color distortions due to different computer resolutions There might be a slight errors due to different hand measurement Package included: 1 Piece wireless audio receiver adapter(1 piece 3 5mm cable 1 piece user manual 1 type-c charging cable)