Driver-free fast pairing Plug and play Bluetooth fast matching connection is more convenient to use 10 meters of unimpeded transmission 10 meters of transmission without obstacles and no dead ends, can not miss every delicate notes 5.0 Bluetooth compatibility stronger signal transmission faster and more stable, listening to songs without lagging Receiver Mode Wireless audio transmission via Bluetooth cell phone Tablet or laptop Connect to wired speakers, loudspeakers or headphones Let the TV has Bluetooth function TV connected to Bluetooth headset, late-night drama is not afraid of disturbing the family, the car has Bluetooth in a second The car can also enjoy wireless music Name:USB Bluetooth 5.0 Audio Receiver Transmitter Mode: Switch Transmit/Receive Mode By Unplugging Converter Transmission Rate: 100 (Mbps) Operating Frequency: 2.4 (Mhz) Bluetooth Version: 5.0+ Operating Range: Up To 10 Meters Transmitter Mode: Red Led Light On Receiver Mode: Blue Led Light Colour:Black Material:ABS Package Contents: 3 x USB Bluetooth Adapter 3 x 3.5mm Audio Cable 1 x English manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.