
Recommendations
- Using USB Hub may take extra charging time due to the low current.
For Fast charging, please use the 5V 500mA ~ 5V 1A rated charger.
※ It takes approximately 2 hours to have it fully charged when battery exhausted
3. Battery Status Alarm & Alert
- Press Call and button at the same time for a second for audio
guidance for the current battery level.
“Battery Full” / “Battery Half” / “Battery not enough”
4. Low Battery Alarm & Alert
- The red LED light flashes 3 times with voice guidance “Battery not enough” if the battery
is less than 1 hour use.
5. Critical Battery
- The notice continues every 2 minutes if the battery is less than 10 minutes use and
power is turned off with voice guidance “Battery Empty” at the critical battery.