1. Input voltage: DC 5V
2. Bluetooth version: 5.0
3. Input interface: 3.5mm audio
4. Transmission rate: 100Mbps
5. Transmission distance: about 15m
6. Working frequency: 5MHz
7. Suitable range: computer, TV, projector (transmitting mode)/speaker, earphone, car machine, call (receiving mode), etc.
8. Packing list: Bluetooth adapter x 1, 3.5mm audio cable x 1, manual x 1
9. Size: about 4.5x2x1.1 cm
10. Weight: about 20g

Features:
1. Accept RX+transmit TX design, dual-signal one-key switch, simple and convenient to use, suitable for a variety of devices, blue light receiving mode, red light transmitting mode
2. One-key answering/hanging up calls, when there is an incoming call in receiving mode, press the button to answer the call hands-free
3. Connect the computer to Bluetooth speakers/earphones, the transmission range can reach 15 meters
4. Connect the TV to the Bluetooth headset, wear the Bluetooth headset, watch TV anytime, anywhere without affecting others
5. Just plug in the speaker or power amplifier interface, you can change the Bluetooth audio, saving wiring trouble
6. When the Bluetooth of the car is broken or there is no Bluetooth, just plug it in and use it
7. Bluetooth fast matching connection, no need to drive, plug and play, convenient and fast
8. Bluetooth 5.0, stronger compatibility, faster and more stable model transmission