Cleaning and maintaining the headset system
Replacing the headset’s rechargeable battery
You can replace the rechargeable battery. Spare rechargeable batteries are available from your Sennheiser partner. Only use spare rechargeable batteries recommended by Sennheiser Communications.
CAUTION Damage to the product due to improper handling
The cable connections can be damaged when subjected to mechanical stress.
Open the battery compartment cover and carefully loosen the connector plug of the rechargeable battery.
Pro1 headset
Open the battery compartment cover using your finger nail.
Remove the rechargeable battery and carefully loosen the connector plug of the battery cable.
Insert the connector plug of the new rechargeable battery into the connection socket. Observe correct orientation of the connector plug.
Replace the battery compartment cover onto the headset. The battery compartment cover locks into place.
Charge the new rechargeable battery (see “Charging the headset rechargeable battery” on page 22).
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