Features: Support U-Disk play. Plugs and play, super easy. Bluetooth-compatible receiver is featuring bluetooth-compatible5.0 chip which is a good solution delivering high quality wireless-audio performance; This Bluetooth-compatible audio-adapter can achieve a range of 15meters indoors(without obstacles). Interface type: AUX, Rca- U-disk; Specifications: Material:ABS Color:Black Power supply: DC5V Bluetooth-compatible version:5.0 Interface type: AUX, Rca- U-disk Transmission distance: barrier-free 15meters Remote control support: infrare remote control Package Includes: 1xWireless Receiver note: Please allow 1-2cm errors due to manual measurement,please make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.