Xiaomi Mi Band 4 Smart Miband 4 0.95 Inch AMOLED Screen Waterproof Heart Rate Fitness 135mAh Bluetooth 5.0 Colored Screen (International Version) - Black
30 Days Return Policy if product is not as described
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Product Descriptioin :
Product Description
Mi Smart Band 4 lasts up to 20 days on a single charge according to Huami Laboratory testing: Tested using default settings, with 30 minute automatic heart rate monitoring enabled, receiving 100 notifications per day, 2 alarms per day, vibrating for 5 minutes, touching the touch button 10 times per day, and syncing with the app once per day. Actual results may differ due to to differences in environment, use and settings.