Mi

【Upgrade 0.95″ Color Screen】 ➤ the full-colour AMOLED touch screen is 39.9% larger and brighter than ever; Simply lift your wrist to view directly the time and tap the button for steps, heart rate and other activity information; Also it can not only remind you via vibrating when your phone receives calls, messages or other notifications but also displays details on the screen directly.
【Upgrade 135mAh Battery Capacity】➤ Equipped with 135mAh high density lithium polymer battery, which can achieve a light weight and up to 20 days of battery life under normal use.
【Bluetooth 5.0】 ➤ Download “Mi Fit”, Connect via Bluetooth (Android 4.4/iOS 9.0 phones or later) to see notifications from app messages (WhatsApp, Facebook, etc.), incoming calls, caller ID, SMS and activity goals;