Ultrasone ISAR, User Manual

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1. Safety instructions
USER GUIDE
• Active noise cancellation (ANC) blocks outside noise.
• Do not use the product other than as described in this product manual. ULTRASONE AG assumes no
liability for improper use of the product or the accessories.
• To charge the battery via the integrated Type C USB socket, only use a USB 2.0/3.0 standard-compliant
5V power supply unit.
• Do not disassemble the battery.
• Never use the active noise canceling (ANC) headphones in situations where hearing impairment is im-
portant and could pose a risk to yourself or others, e.g. B. driving a car, riding a bicycle, crossing a railway
crossing or walking near traffic.
• Take off the headphones or use them without noise canceling and adjust the volume to make sure you
can hear outside sounds like alarms and warning signals.
• Note that sounds such as alarms or warning signals may sound different when wearing headphones.
• ULTRASONE AG is not liable for damage to USB devices that do not meet the USB specifications.
• WARNING: The batteries (battery pack or batteries installed) shall not be exposed to excessive heat
from direct sunlight or fire.
• Do not use the battery if it may have come into contact with water.
• Do not expose the battery to high temperatures (60°C/140°F). Ambient temperatures that are too high
lead to irreversible damage to the battery, especially when the charge level is high.
• If you do not use or store the battery for a long period of time, we recommend bringing the battery to
around 50% charge and storing it at a maximum temperature of 30 °C.
• Never expose the battery to excessive heat from direct sunlight or fire.
• Misuse or misuse can damage the battery. In extreme cases there is a risk of: explosion, generation of
heat, fire, smoke or gas.
• Do not expose the product to rain, snow, liquids or moisture.
• CAUTION: Do not open the case. Danger of explosion if battery is incorrectly replaced.
• ULTRASONE AG is not liable for damage resulting from disconnections due to empty or old batteries or
exceeding the Bluetooth
®
transmission range.
• Please observe the respective country-specific regulations before commissioning.
ANC function (Active Noise Cancellation)
Liability / Proper Use
Warnings device
Battery warnings