- add: Press to increase volume. Press and hold for next song.
- remove: Press to reduce the volume. Press and hold for previous song.
- play_arrow: Press to start or pause playback
- power_settings_new: On and off the button for the device.
- mic: Internal microphone, activated when you are in hands-free mode, during a phone call.
- BT indicator: When there is no BT device connected, it flashes white. When a device is connected or SD or AUX music is playing, it stays white.
- : Press to turn the top light ring on or off. Press and hold to unpair the connected BT device.
- LED charge status indicator: With the cable connected; On-charging and Off-charged
- AUX: Use the standard 3.5 audio cable to connect external audio sources.
- Micro SD slot
- DC 5V: Connect the USB type C cable to charge the device.