3S Plus
- 3S PLUS User's Guide Location
- Firmware Upgrades
- Fault Reset
- Intercom Pairing
- Bluetooth Stereo Music
- Mobile Phone Call Making and Answering
- Phone Pairing
- Powering On and Off
- Factory Reset
- Pairing When the Headset Is Turned Off
- Charging
- Pairing When the Headset Is Turned On
- Checking the Battery Level
- GPS Pairing
- Volume Adjustment