Heart Rate Wristband With White LED

A new version is coming! Mi Band 1S, a heart rate wristband - Everyone is worth having. During aerobic exercise, have a good heart rate, it is better to lose weight and improve cardiorespiratory capacity. Mi Band 1S equipped with an optical heart rate sensor, can real-time detect heart rate, let you adjust the motion state scientifically and consume fat efficiently. Mi Band 1S manages your motion every moment and take good care of you.

HIGHLIGHTS:

• 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. 

• Bluetooth version: Bluetooth 4.0 
• Waterproof: Yes 
• Colors: Black 
• Compatibility: Android 4.4 / iOS 7.0 and above system 
• Language: English
• Standby time: About 10 days
• Product weight: 0.014KG