3
1
Status indicator light
5
Built-in microphone
2
Charging jack
6
Volume up/previous track
3
Left speaker
7
Multifunction button
4
Right speaker
8
Volume down/next track
2. Charging for Headsets
First time charging
:
Before you use this Bluetooth headset, please charge the battery of BTH018
fully.
Low power
:
When you hear three “DONG” tones every 20 seconds, at the same time, the
red LED blinks twice. It means the battery is low power and need to be
charged.