Made from , this adapter can be widely used in your computer, laptop, home stereo system, headphone, , Mp3 Player, CD player, etc. The extremely portable and lightweight audio adapter is an for a wide range of situations and uses. Features - Color: Black - Material: Plastic. - Size: 4.00X3.00X2.00cm/1.57X1.18X0.79in. - Working distance: 10M. - Operation Range: Up to 15m /50ft (without any objects). - Power supply mode: USB 5V power supply. - Rate: Mbps. - Output connection mode: 3.5MM stereo interface. - Input connection method: 3.5MM stereo interface. - It can be widely used in your computer, home stereo system, headset, , CD player and so on. - 3 in 1 adapter. Support USB transmitter mode and one button . - Wirelessly transfer audio from the PC to headset or speaker through USB port, no audio cable is required. - the mode by simply toggling the TX and RX . - Red LED light indicates the transmitter mode while Blue LED light shows the receiver mode. Package list: 1 x Adapter