Product Functions:*Dynamic networking of MESH *As many as 256 users online at the same time *Group Bluetooth intercom *1.5-2.0KM intercom *Floating microphone (microphone contending) *Wall-penetrating communication *Support group intercom audio mixing (intercom with music or navigation sound mixing) *Multiple independent communication channels *Music sharing in the state of multiple intercom *Connect to devices with Bluetooth, such as GPS, mobile phones. *Connect to devices from other brands

Tips and troubleshooting1. The two headsets can not be well paired: Clear up the pairing history and restart to enter the pairing state, then try to pair again. 2. While listening to music, one of the headsets is mute or the other intercom device is mute. Re-insert the headset and microphone, and make sure the headset connection is good. 3. One of the headsets is mute: The microphone may be wrongly inserted. Please pull it out, change the direction and insert it again. 4. System halted status: Plug in the charging wire to charge the host device, then the headset can be restarted. 5. Music sharing failure: The pairing info of the main engine may not be cleared up, you need to repeat the operation of clearing up the pairing info. 6. If you fail to join the network when MESH dynamic networking is on, please stay close with the group leader, then restart the MESH dynamic networking to join the network. 7.If the music gets stuck or fail to play music,it is possible that other applications have occupied the audio channel in the mobile phone back stage. Please check if any other application program is running in the back stage, turn it off if there is any. 8. Fail to charge after turning off ： The charger or charging wire do not meet the standards. 9. The Bluetooth receiver is out of power： The host device must be charged for at least 2.5 hours before being used for the first time.