Item Type: Bluetooth Transmitter Receiver Material: ABS Receiver Mode: blue LED light is on Operating Range: up to 10m/32.8ft (without any obstacles) Technology: BT5.0, A2DP, AVRCP (only receiver mode) Transmitter Mode: red LED light is on1Portable and lightweight wireless audio transmitter and receiver is an ideal wireless audio solution for various situations and uses. 2Transmitter mode wirelessly transmits audio from a non?Bluetooth TV, home stereo system or CD player to a Bluetooth headset or speaker. 3Receiver mode wirelessly transmits audio from Bluetooth?enabled mobile phones, tablets or computers to wired stereo, speakers or headphones. 4The receiving mode and the transmitting mode can be switched with just one button. 5Bluetooth adapter has a powerful wireless audio streaming function. Light weight, small size, easy to carry. 6With the included 3.5mm cable, this adapter can be widely used in computer, laptop, home stereo system, earphone, smart phone, Mp3 player, CD player. 1 x Bluetooth Receiver 1 x Audio Cable 1 x Manual&nbsp