The headset needs to charge for 4 hours before 1st use.

Underneath Battery Icon (left to right):
1 LED Flashing - <20%
1 LED On - 20%-40%
2 LEDs On - 40%-60%
3 LEDs On - 60%-80%
4 LEDs On - 80%-100%
0 = dead! (hint: try an unplugged reset if you’re seeing 0 battery lights. The Leitner may be charging but not sending battery information from headset to base!)
Middle Buttons:
Computer Mode & Phone Mode - OfficeAlly LH270, LH280, LH275
Computer Mode, Bluetooth Mode, & Phone Mode - OfficeAlly LH370, LH375, LH380
On the Right (left to right) :
1st - Power Light (it's plugged into power)
2nd - Programming light (rarely on). Will be BLUE if an LH300 series is paired to a Bluetooth device
3rd - Online Indicator (headset is turned on)
4th - Charging Light (off when battery is at 100%)
