Features:
Dual-function design: can be used as both a transmitter and receiver
One-key switching for easy use with various devices
Hands-free call answering and hanging up in receiving mode
Quick and easy Bluetooth connection without the need for drivers
Bluetooth 5.0 for strong compatibility and stable signal transmission

Specifications:
Input Voltage: Dc 5V
Bluetooth Version: 5.0
Interface: Usb, 3.5 mm
Transmission Distance: 15M
Transmission Rate: 100Mbps
Working Frequency: 2.4Mhz
Weight: 20G (0.7 ounces)

Package Includes:
1 x T7 4 In 1 Bluetooth 5.0 Usb Transmit Receiving Audio Adapter