Important safety instructions
Read this instruction manual carefully and completely before using the product.
Always include this instruction manual when passing the product on to third parties.
Do not use the product if it is obviously defective or makes loud, unusual (whistling or beeping) noise.
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. Headphones of the Sennheiser brand sound exceptionally good even at low and medium volume levels.
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 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). Especially the product’s active noise cancellation can make ambient sounds inaudible or drastically change the perception of acoustic warning signals.
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.
Do not use if immersed into liquid.
To avoid loud, unusual (whistling or beeping) noise and to ensure proper noise cancellation, do not cover the microphone openings of the active noise cancellation circuitry located on the outside of the ear cups.
Use only attachments/accessories/spare parts supplied or recommended by Sonova Consumer Hearing.
Clean the product only with a soft, dry cloth.
Safety instructions for Lithium rechargeable batteries
Warning If abused or misused, rechargeable batteries may leak. In extreme cases, they may even present a risk of: •explosion •heat and fire development •smoke and/or gas development •damage to health and/or the environment |
| Only use the rechargeable batteries recommended by Sonova Consumer Hearing and the appropriate chargers and (certified) charging cables. |
Do not leave the product/rechargeable batteries unattended while charging. | |
| Only charge the product/rechargeable batteries at ambient temperatures between 10 °C and 40 °C/50 °F and 104 °F and do not charge them near easily flammable objects. |
| Do not charge the product/rechargeable batteries in a damp environment. Make sure that the charging socket is free from moisture and contamination. |
| Do not heat the product/rechargeable batteries above 60 °C/140 °F. Avoid exposure to sunlight and do not throw the product/rechargeable batteries into fire. |
| Switch rechargeable battery-powered products off after use. |
| When not using the product/rechargeable batteries for extended periods of time, charge them regularly (about every three months). |
Avoid prolonged skin contact with the product, rechargeable battery, charger or charging cable when connected to a power source. These components can heat up during charging and cause skin irritation. | |
| Dispose of defective products with built-in rechargeable batteries at special collection points or return them to your specialist dealer to facilitate recycling. |
Notes on data collection and processing and on firmware updates
This product stores individual settings such as the volume, the sound profiles and the Bluetooth connection data of paired devices. This data is required for the operation of the product and is not transferred to Sonova Consumer Hearing GmbH or companies commissioned by Sonova Consumer Hearing GmbH and is not processed.
Using the “Sennheiser Smart Control” app, you can update the firmware of the product for free via an Internet connection. If the device on which the app is installed is connected to the Internet, the following data is automatically transferred to and processed by Sonova Consumer Hearing servers in order to provide and transfer suitable firmware updates: hardware identifier, hardware revision number, firmware version of the product, operating system type (Android, iOS) and version, version of the app. The data will only be used as specified and will not be stored permanently.
If you do not want this data to be transferred and processed, do not connect to the Internet.
Notes on the use of headphones in damp environments
Headphones are an everyday companion. When using the headphones on the go, they may be exposed to moisture. For example, rain, air humidity or even sweat may come into contact with the headphones.
To ensure proper, safe and long-lasting performance:
Avoid contact with moisture and always keep headphones dry.
Do not use headphones in the rain/snow or in the shower.
Do not use headphones in swimming pool, sauna or during other activities with water/high air humidity (e.g. washing dishes).
Do not store headphones in airtight containers/bags together with damp objects (e.g. damp laundry) or objects that can cause condensation moisture (e.g. cold water bottles).
Never charge damp headphones. Make sure that the charging socket is free from moisture and contamination.
Only use high-quality USB charging cables with USB-IF certification.
If your headphones have become damp or wet:
Dry headphones completely with a dry cloth.
Allow headphones to dry at room temperature for at least 24 hours before using and charging them again.
Do not continue to use the product if it is obviously defective.
Intended use/Liability
These headphones have been designed as an accessory for Bluetooth compliant devices. They are intended for wireless audio communication such as music playback and phone calls via Bluetooth wireless technology.
It is considered improper use when the product is used for any application not named in the corresponding product documentation.
Sonova Consumer Hearing GmbH does not accept liability for damage arising from misuse or improper use of this product and its attachments/accessories.
Sonova Consumer Hearing GmbH is not liable for damages to USB devices that are not consistent with the USB specifications.
Sonova Consumer Hearing GmbH is not liable for damages resulting from the loss of connection due to flat or overaged rechargeable batteries or exceeding the Bluetooth transmission range.
Before putting into operation, please observe the respective country-specific regulations.