2. Built-in microphone, can talk.
3. Effective transmission distance of 10 meters in an open area, with good connection performance within this distance, clear and beautiful sound, which is convenient for your use!
4. Insert the Bluetooth receiver into the USB port of the speaker, and connect to the Bluetooth of the mobile phone to play music outside, saving the trouble of connecting with a cable.
5. Bluetooth version: 4.0