The Mi Smart Band 4C is powered by a 130mAh battery which is said to keep this device running for two whole weeks when fully charged, it can also complete charging in about two hours using the built-in USB port. This band is equipped with a heart rate monitor that helps keep your pulse in check and lets you know how your heart is doing during your session.
The Mi Smart Band 4C is built to track 5 different sports including treadmill running, fast walking, cycling and outdoor exercise. It is waterproof, making it suitable for short swims and use in rainy conditions. This band lets users control their music while exercising and also allows them get incoming call alerts and notifications. This tracker is currently available in Malaysia and sells for $23, it is expected in a number of other markets in the weeks to come. References
