Whether you’re doing high-speed battle rope training or anaerobic battle rope workout, Mi Smart Band 4 will track your heart rate, calories burned and more.

The Mi Smart Band 4 comes with an AMOLED display and is claimed to last up to 20 days on a single charge. It is touted to be water-resistant up to a depth of 50 meters and offers features such as 24×7 heart rate monitoring and sleep tracking.

Mi Smart Band 4 specifications, features

As mentioned above, the Mi Smart Band 4 is basically a rebranded version of the Mi Band 4 that was launched in China back in June. Talking about hardware specifications, the Mi Smart Band 4 packs a 0.95-inch colour AMOLED display with 120×240 pixels resolution that is claimed to offer a peak brightness output of 400 nits. The display is protected by 2.5D tempered glass with an anti-fingerprint coating on top.

The Mi Smart Band 4 comes equipped with a 3-axis accelerometer, 3-axis gyroscope, and a PPG heart rate sensor for 24×7 heart rate monitoring. It packs a 135mAh battery that is claimed to last up to 20 days on a single charge. The Xiaomi offering is compatible with phones running Android 4.4 or higher, and iOS 9.0 or a later build, and pairs via the Mi Fit app. The Mi Smart Band 4 also comes with a new swim tracking feature with stroke recognition that can distinguish between backstroke, butterfly, and 3 more swimming styles.

Talking about health-centric features, it is claimed to supports six workout modes such as treadmill, swimming, outdoor running, and cycling among others. In addition to heart rate monitoring, sending health alerts and notifications, it also offers sleep pattern tracking. The Mi Smart Band 4 also supports a wide range of other activities such as device finder, stopwatch, alarm, idle alert, incoming call alerts, and goal notifications to name a few.