Precautions
On the waterproof property
- Although this unit is designed to be splash-proof, it does not completely prevent dust and water droplets from entering the unit.
- Please do not use the unit in a humid place such as a bathroom, or expose it to rain or other liquids. Note that if trouble is diagnosed as exposure to water or other liquid, repair of the unit may not be covered by warranty or repair may not be possible. Repair, when possible, is not covered by warranty and is carried out at cost.
On handling the unit
- Do not use the unit if it is damaged. Doing so may cause injury. If the unit is damaged, stop using the unit immediately and contact the Sony Authorised Service Centre.
- To prevent damage to the neckband when you are using a backpack or a baby carrier sling, be careful not to put the load on the neckband. Also, be careful when you lean against the back of a chair.
- Do not expose the unit to direct sunlight or ultraviolet rays for many hours. It may cause discoloration of the unit.
- Do not subject the unit to strong impact such as dropping it on a floor. Do not drive a nail into the unit, hit it with a hammer, or step on it. Also, do not deform the USB port. Doing so may cause a malfunction.
- Avoid spraying the unit with insect repellent. It may cause deformation or discoloration.
- If the unit is not to be used for a long time, disconnect the USB Type-C® cable, carefully wipe off any perspiration, dirt, or moisture, and store in a proper location, avoiding locations subject to excessively high or low temperatures and high humidity. If a battery with expired service life is left in the unit for a long time, battery leakage may damage the mechanical parts.
On Bluetooth® communications
Microwaves emitting from a Bluetooth device may affect the operation of electronic medical devices. Turn off this unit and other Bluetooth devices in the following locations, as it may cause an accident:
- in hospitals
- near priority seating in trains
- locations where inflammable gas is present
- near automatic doors
- near fire alarms
Note on charging
Before charging, make sure that there is no moisture such as sweat on the USB port area or USB cable. If there is moisture on them, wipe it off with a soft, dry cloth, and leave the unit at room temperature to dry before charging.
To prevent low-temperature burns
Although this product is designed to prevent low-temperature burns, please pay special attention to the following points when using the product.
- Check the condition of your skin about once an hour. If you notice any abnormalities, stop using the unit immediately.
- If the unit feels too hot, stop using it immediately.
- Do not use the unit when sleeping.
- Do not use the unit in bedding or near heaters such as stoves.
- Pay special attention when someone with poor circulation or impaired skin sensation uses the unit.
