1. Power supply voltage: 5V
2. Bluetooth version: V5.0
3. Transmission distance: about 10-15m
4. Material: ABS
5. Weight: about 5g

Features:
1. Connect Bluetooth TV wireless transmission audio home stereo system or CD player connected to Bluetooth headphones or speakers
2. Wirelessly transmit audio via Bluetooth cell phone tablet or laptop connected to wired speakers, speakers or headphones
3. Exquisite and compact, easy to carry
4. Driver-free, plug-and-play
5. With LED indicator, always know the working status of the device, red indicates the transmitter mode, blue indicates the receiver mode