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M4 Color Screen Smart Wristband Heart Rate Monitor Fitness Activity Tracker Smart Band Blood Pressure Music Remote Control

$22.00 $17.00

main feature:
Device model: M4
Bluetooth: 4.0
Battery: 90 mA polymer lithium ion battery
Charging time: 2 hours Use time: About 7 days Standby time: About 15 days
Waterproof: Life Waterproof
Compatible system: IOS8.5 or above, Android 4.4 or above
Synchronization range: 3m (theoretical range is 10m, no interference)
Main functions: heart rate monitoring, step counting, calorie consumption, distance, RTC display, automatic sleep monitoring, call reminder, information push, alarm reminder, anti-lost, remote control, etc
Waterproof and dustproof: sweatproof, rainproof, splashproof
Display size: 0.96 inches
Screen type: TFT
Connection parameters: Bluetooth Low Energy Bluetooth 4.0 synchronization
Other parameters: appearance material TPU
Product net weight: 22g
Product color: black, blue, red
Other functions: touch screen: full touch screen
Control method: push button switch
Data storage: record detailed exercise data for 7 days
Battery type: polymer lithium battery
Charging method: USB charging cable
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SKU: M4 Category: