Xiaomi Mi Band 1S Features:

Heart rate monitor: 1S with optical heart rate sensor, shows you heart rate with PPG, you can see the results more intuitively.
10 days standby time: Top-level Bluetooth chip and military gravity sensor ensure 10 days ultra-long standby time for a full charging.
Call reminder: Mi Band 1S will tell you when a call comes, you never need to worry about missing any important calls.
Sports tracking: Track your sports, record steps, distance and calories, help you achieve your sports target.
Sleep monitoring: Let you know your deep sleep and shallow sleep, also APP will give you periodical evaluation, help you develop good living habits.
Silent alarm: Wake you up every morning, will not be late for work; Remind you with vibration, never worry about missing anything.
Free password to unlock the phone: Forget complex unlock password and gesture, simply raise your hand to close to phones, immediate and safe unlocking.

Xiaomi Mi Band 1S Specifications:

Heart Rate sensor: support
Compatible with Xiaomi Mi4/Redmi Note 4G LTE/Xiaomi Mi3 featuring Bluetooth 4.0
Water resistant
Input Voltage: DC 5.0V
Battery Capacity: 45mAh
Cell Type: Lithium Polymer
Input Current: 25mAh (TYP)
Wrist Strap Material: DowCorning TPSiV
Metal Face Material: Magnesium Aluminum Alloy
Alloy Body Shell Material: Polycarbonate
Language: English, Chinese
Minimum Requirements:
Android 4.4 + & support Bluetooth 4.0 : For Android devices;
iOS 7 – For Apple devices : iPhone 4s / 5 / 5c / 5s / 6 / 6 Plus
For smart unlock features:
Xiaomi (MIUI 6 and above): Mi2/2S/2A, Mi3, Mi4, Mi Note, Mi4C, Redmi 1S, Redmi 2/2A, Redmi Note, Redmi Note2
Phone with Android version 5.0 above
Dimension: 37*13.6*9.9mm
Weight: 5.5g

Coupon Code is: GBMI1S

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