Review of MI 4 Smart Band - Full Touch Screen Fitness Band The Xiaomi MI Band 4 is an affordable fitness tracker which is an improvement over MI band 3 with a Larger AMOLED color full-touch display with adjustable brightness, so everything is clear as can be. Compatible with Android 4.4 or later/iOS 9.0 or later version. You can also change a song, increase/decrease the volume with music control on the band. You can now take your band for a swim. It auto-detects your swim style and captures 12 detailed data points for tracking with the Connectivity of Bluetooth 5.0, Also its monitoring 24/7 automatic heart rating, and alerts to warn you when the heart rate is high. Pros: New AMOLED Display which allows fairly bright for out-door New Music Control System Custom Wallpaper Long Battery Backup (20days) Lesser Charging Time 50m Waterproof Sleep Monitor Call and Message Notification COns: Inaccurate Step Counter Average User Interface Small cha...
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