Sennheiser Presence Presence Manual - Page 23

Cleaning and maintaining the headset Cleaning and maintaining the headset CAUTION Liquids can damage the electronics of the product! Liquids entering the housing of the device can cause a short circuit and damage the electronics. ̈ Keep all liquids far away from the product. ̈ Do not use any cleansing agents or solvents. Cleaning the headset ̈ Only use a dry cloth to clean the product. Storing the headset If you do not use the headset for extended periods of time: ̈ Charge the built-in rechargeable battery every 3 months for about 1 hour. ̈ Store the headset in a clean and dry environment. 22 | Presence