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PSB M4U TW1 Owner's Manual page 3

True wireless earphones
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WARNING
Warnings or announcements may be unnoticed when you are using the headphones. Please be aware of ambient
sounds while wearing the headphones and recognize them as needed.
To prevent possible hearing damage, do not listen at high volume levels for long periods.
These headphones should only be connected to a USB interface of version USB2.0 or higher.
Risk of explosion if the battery is replaced by an incorrect type, dispose of used batteries according to the instructions.
Be sure to read the Owner's Manual of the device that you want to connect to these headphones.
Check the volume settings when using the headphones when in public places and ensure that you do not disturb people
around you.
These headphones are not guaranteed to work with all combinations of Bluetooth devices/mobile phones.
These headphones do not support a connection with all Bluetooth devices/mobile phones.
Bluetooth wireless technology can communicate up to approximately 10 m. Obstructions (people, metallic objects, walls, etc.)
and radio wave conditions affect the actual range.
The Bluetooth device that you want to connect with must support the same profile as these headphones in order to use the
Bluetooth function. For details on profiles that the Bluetooth device is compatible with, see the Bluetooth device Owner's
Manual.
Due to features of Bluetooth wireless technology, playback of audio on the headphones is slightly delayed compared to the
playback on the transmitting device.
Do not use your headphones while driving.
Remove the headphones immediately if you experience a warming sensation or loss of audio.
Do not use mobile phone adaptors to connect these headphones to airplane seat jacks, as this could cause overheating and
result in injury or property damage.
The headphones and accessories contain small parts which may be a choking hazard. Not suitable for children under age 3.
This product contains magnetic material. Consult your physician on whether this might affect your implanted medical device.
Use this product only with an agency approved power supply which meets local regulatory requirements
(e.g., UL, CSA, VDE, CCC).
Do not expose products containing batteries to excessive heat (e.g. from storage in direct sunlight, fire or the like).
Long-term exposure to loud music may cause permanent hearing damage. To avoid personal injury when using the
headphones for extended periods, the volume should be kept at the described levels.
Fire or shock may occur should water or other foreign substances permeate inside the device.
Do not attempt to modify this product as it could result in personal injury and/or product failure.
Keep batteries out of reach of children.

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