Yesido YAU25 Rechargeable Bluetooth Audio Converter Audio Adapter Highlights Equipped with 3.5mm adapter, no delay in transmission 5.0 Bluetooth version, supports 10m transmission distance, good to listen to music, no jammed With Micro connector, charge and use at the same time Bluetooth Launching Mode (TX): Tum the wired audio into Bluetooth signal and transfer into Bluetooth device and then outplay Bluetooth Receiving Mode(RX): Receive Bluetooth signal through Bluetooth and then pass to wired audio devices