M4 Wristband Smartwatch with M4 LED Sports Watch Smart Band -Black Heart Rate Sensor Wristband IOS Smart Bracelet with Replacement Straps Smart Band Heart Rate Activity Fitness Tracker Smart Watch M4 Pro vs M3 Band
Support Dynamic Heart rate, Blood Pressure, Blood Oxygen monitoring,
Support call reminder and message reminder
Remote camera function: shake it to take photos after bluetooth connection like a remote camera shutter for your phone.
Life waterproof: IP67 ,can wash hands, wear in the rain, but it better not swim
Large battery built in, super-long standby up to about 10days, work for
3 to 4 days, quick to charge for 2hours(USB charging,Some Time USB cable included)
Bracelet band is replaceable
Soft TFU bracelet, quite skin-friendly and comfortable
Smart life asistant to help you a lot
Specification: M4 Wristband Smartwatch with M4 LED Sports Watch Smart Band -Black Heart Rate Sensor Wristband IOS Smart Bracelet with Replacement Straps Smart Band Heart Rate Activity Fitness Tracker Smart Watch M4 Pro vs M3 Band
Condition (New or Used)
New
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M4 Wristband Smartwatch with M4 LED Sports Watch Smart Band -Black Heart Rate Sensor Wristband IOS Smart Bracelet with Replacement Straps Smart Band Heart Rate Activity Fitness Tracker Smart Watch M4 Pro vs M3 Band
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