While powering up, the LED indicator on both devices will display the battery level:
| LED Color | Battery Status |
| Flashing Blue (TX & RX) | TX / RX Pairing / Connecting |
| Green (TX & RX) | Battery Level 60% - 100% |
| Yellow (TX & RX) | Battery Level 6% - 60% |
| Red (TX & RX) | Battery Level Below 5% |
| Flashing Yellow and Green (TX only) | Mute Mode |
While charging, the LED indicator on both devices will display the battery level:
| LED Color | Charging Status |
|
Solid Green |
100 % |
|
Flashing Green |
60 % - 99 % |
| Flashing Yellow | 6 % - 60 % |
| Flashing Red | Below 5 % |