• Plug in and enjoy wireless life, four in one USB wireless adapter

• Receive and send, one-click switch of the double signal

• Computer connection, wireless speaker or headphone

• Take off range up to 15 meters, enjoy the original sound music

• Drive-free plug and play, wireless fast matching connection, more convenient to use

• Wireless 5.0 stronger compatibility, the signal transmission is faster and more stable

• Strengthen the signal to achieve a smooth transmission connection at a distance of 15 meters

• No drive, plug and play

• No built-in battery, external power supply

Specification: 

• Bluetooth version: V5.0

• Function: Bluetooth audio receiver transmitter two in one; (receive handsfree call)

• Built in noise reduction hifi sound quality

• Transmission signal distance: 10-15m

• Fully compatible with automatic matching

• One-key mode switching, blue light receiving, red light transmitting

• Input interface: 3.5mm

• Input voltage: DC / 5V

• Size: 43 x 21 x 11mm