User's Manual

meters), please keep a stable Bluetooth connection to ensure a good call quality.
* Your phone is in a weak signal, please make calls in areas with good signal.
4.7 Linkto Healthdata cannot be synced
●Check if you have log in your Linkto Health, if not, sports data cannot be stored in
the background, so please log in first before use.
●Check if your watch and phone are bi-directional paired successfully(please refer
to Bluetooth Connection Guide).
●Check if the signal is weak. Please disconnect Bluetooth, reconnect, upload data
and retry.
Warranty Certificate
Client Info：
Model Vendor
（Signature）
Client Name Contact Info
Vendor’s
Contact
Purchase Date
Product IMEI
code
Client’s
Address