Turn off the unit before attempting a battery replacement. Without doing so, the power disruption that the headset will acquire can damage the internal workings.
Find the even **** on the bottom side of the unit, where the microphone boom is attached.
Place the edge of a flathead screwdriver along these slits, and twist gently back and forth until the unit opens up. Do not completely open the unit up, however.
Find the small ring near the plug and the mini-USB port. Use the screwdriver to push under the ring where the battery is found. Push forward gently to pop the battery out.
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Turn off the unit before attempting a battery replacement. Without doing so, the power disruption that the headset will acquire can damage the internal workings.
Find the even **** on the bottom side of the unit, where the microphone boom is attached.
Place the edge of a flathead screwdriver along these slits, and twist gently back and forth until the unit opens up. Do not completely open the unit up, however.
Find the small ring near the plug and the mini-USB port. Use the screwdriver to push under the ring where the battery is found. Push forward gently to pop the battery out.