IMPACT 500 - Connecting via USB and charging the battery
The USB cable allows to charge the headset battery while using it for calls or media reproduction.
Connect the supplied USB cable to the USB socket of the headset and a USB socket of yor computer.
The battery is being charged. The LED pulses red, yellow, or green - depending on the battery status. When fully charged, the LED lights up green for 10 seconds and then switches off.
To disconnect the USB cable, pull the plugs out of the headset and your computer.