CHEREEKI F1 Manual De Usuario página 5

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and analyze deep sleep and light sleep period.
4.9 Call Remind: Enable call remind function on the APP, the smart bracelet will vibrate
and show caller ID when you have phone calls.
4.10 Message Push: Enable message push function on the APP, the smart bracelet will
vibrate and show the messages when you received messages on your phone.
* Measuring results are for references only. It cannot be used for medical diagnosis.
Take these measuring results as diagnostic basis is dangerous. Please follow the
doctor's advice.
5 Specification
Screen Size: 0.66 inch
Bluetooth: Version 4.0
Battery Type: Polymer Lithium Battery
Battery Capacity: 80mAh
Device Dimension: 50mm * 24mm * 11.6mm
Strap Dimension: 235mm * 24mm * 11.6mm
Material: Silicone and Plastic
Waterproof: IP67
6 Common Trouble Shooting
6.1 Cannot find the device when pairing.
a) Please make sure the Bluetooth is enabled on your smartphone, and your
smartphone is reached the requirements.
b) Please make sure the distance between smartphone and smart bracelet is less than
0.5m when pairing, and the distance is less than 10m when they are connected.
c) Please make sure the smart bracelet is not in low battery, and recharge it if it is
necessary.
6.2 Cannot connect the device with the APP.
Please reboot the smartphone and reconnect them.
6.3 The APP does not display any data.
Please make sure the smart bracelet is not in low battery, and try manual measuring
to sync the data.
6.4 Wrong time.
When the smart bracelet is in low battery, the time may be wrong. Please fully charge
it and reconnect them.
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