The Mi Smart Band 4 features a 39.9% larger (than Mi Band 3) 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
With music control on the band you can change the song, increase/decrease the volume and groove on without even touching your phone
With a sturdy 5ATM waterproof built, you can now take your band for a swim. It auto detects your swim style and captures 12 detailed data points for tracking. Connectivity – Bluetooth 5.0

Mi Smart Band 4- India’s No.1 Fitness Band, Up-to 20 Days Battery Life, Color AMOLED Full-Touch Screen, Waterproof with Music Control and Unlimited Watch Faces

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