Checking the remaining battery charge
You can check the remaining battery charge of the rechargeable battery.
When you turn on the headset by pressing the 
button, the indicator (blue) flashes two times, then the indicator (red) flashes. You can check the remaining battery charge by the number of times the indicator (red) flashes.
You also hear voice guidance “Battery level low” when the remaining battery charge is low (needs to charge).
3 times 
- - - - : High
2 times - - : Medium
1 time : Low (needs to charge) “Battery level low”
When the battery is almost empty
The indicator turns red. When the battery becomes empty, the headset sounds a warning beep, you hear voice guidance “Recharge headset”, and the head set turns off automatically.
When you are using an iPhone, iPad, or iPod touch
When the headset is connected to an iPhone, iPad, or iPod touch (iOS 5.0 or later) that supports HFP (Hands-free Profile), it will show an icon that indicates the remaining battery charge of the headset on the screen.
Compatible devices
iPhone, iPad, or iPod touch (iOS 5.0 or later) supporting Hands-free Profile (HFP)
iOS 7.X / 8.X / 9.X
iOS 5.X / 6.X
A: Remaining battery charge of the headset
B: High
C: Medium
D: Low (needs to charge)
Note
- If you connect the headset to an iPhone, iPad or iPod touch with “Media audio” (A2DP) only in a multi point connection, the remaining battery charge will not be displayed correctly.
