User Manual

5
2.4 Symbols displayed
Meanings of symbols represented
Battery state
Turn off external ring voice.
Graphic display of calling and phone book.
Graphic display of unanswered call.
Turn on Bluetooth.
Bluetooth is online.
Graphic display of time
3. Operation method:
3.1 First time in use
3.1.1 The first time to recharge the BTH-818
When initially using this product, charge the battery 2-3 hours. User can charge this
product over normal computer’s UBS interface or household recharger. Regarding the
recharging method refers to Figure 6 and Figure 7.
Battery symbol status:
If symbol is flashing, it means this product is in charging state.
means the battery is full in energy level.
means battery level is weak.