User's Guide

Altos is unpaired
Pair Altos with your phone
following the in-app
instructions
Altos is out of phone’s
range
Bring Altos near your phone
Altos isn’t charging
USB Type-C cable is
damaged
Change the USB Type-C
cable and retry
Altos is not connected to
the power outlet, or the
power outlet malfunctions
Check whether the power
outlet works properly
If you encounter any issues not covered by this guideline, please contact a supplier to
troubleshoot.
Safety information
Handling
Altos contains sensitive electronic components and can be damaged if dropped, burned, or
crushed. Keep the device away from the heat sources; heating the device to over 70℃ might
cause its damage or malfunction.
Repairing
Altos is a non-repairable device; please don’t attempt to repair the device by yourself.
Disassembling Altos may damage it and may cause injury to you. If Altos is damaged or
malfunctions, contact the manufacturer.
Not a medical device