bluetooth 5.0 USB Receiver Transmitter Wireless Computers Audio Adapter Dongle for Headset/Speaker/Receiver CD Player

Feature: Transmitter mode: In wireless mode, streaming audio from a non-Bluetooth TV, home stereo system or Bluetooth headset/speaker/receiver CD player.  Receiver mode: For wireless streaming audio mode in Bluetooth-enabled mobile phones, tablets or computers, for wired stereo, speakers or headphones.  Switch mode: If the device is in a certain state for a long time, you need to power it back twice to switch to another mode.  If the device is only equipped with switch mode, you need to switch to another mode immediately, you only need to reactivate it once;     Specifications: Model: MSD168;  bluetooth: V 5.0;  Support protocol: A2DP, AVRCP (receive mode only);  Working range: up to 10 m / 33 ft (no object locked);  Transmitter mode: red LED lights is on;  Receiver mode: blue LED light is on;  Product size: 32*17*12mm/1.46*0.67*0.47in;     Package includes:  1 X bluetooth Adapter;  1 X 3.5mm Audio Cable;  1 X Manual