Only use the product in environments where Bluetooth® wireless transmission is permitted.
Preventing damage to health and accidents
Protect your hearing from high volume levels. Permanent hearing damage may occur when
headphones are used at high volume levels for long periods of time. Sennheiser headphones
sound exceptionally good at low and medium volume levels.
Do not insert the earphones too deep into your ears and never insert them without ear adapters.
Always remove the earphones slowly and carefully from your ears.
The product generates stronger permanent magnetic fields that could cause interference with
cardiac pacemakers, implanted defibrillators (ICDs) and other implants. Always maintain a
distance of at least 3.94″/10 cm between the product component containing the magnet (earbuds
and charging case) and the cardiac pacemaker, implanted defibrillator, or other implant.
Keep the product, accessories and packaging parts out of reach of children and pets to prevent
accidents. Swallowing and choking hazard.
Do not use the product in an environment that requires your special attention (e.g. in traffic).
Preventing damage to the product and malfunctions
Always keep the product dry and do not expose it to extreme temperatures (hairdryer, heater,
extended exposure to sunlight, etc.) to avoid corrosion or deformation. The normal operating
temperature is from 0 °C to 40 °C/32 °F to 104 °F.
Use only attachments/accessories/spare parts supplied or recommended by Sennheiser.
Clean the product only with a soft, dry cloth.
Safety instructions for Lithium rechargeable batteries
WARNING
If abused or misused, the rechargeable batteries may leak.
In extreme cases, they may even present a risk of:
explosion,
fire development,
heat generation,
smoke or gas development.
Only use rechargeable batteries and chargers recommended by Sennheiser.
Only charge the product / rechargeable batteries at ambient temperatures between 10 °C to 40 °C/50
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