Kindly note this smart watch band is not a Xiaomi Redmi smart band it has many more features compared to mi smart watch band 3, Its Domestic use waterproof with Industry’s Best Standards.
Unisex smart band for both women and men, Compatibility: Requires Android 4.3 or above, iOS 7.1 or above, Bluetooth 4.0 or above, download APP as mentioned in the product manual from Apple Store or Google Play
Water proof Smart fitness Band with Bluetooth And Heart Rate sensor, Activity Recorder, Sleep Monitor, Calorie Counter, Call Notifications, Alarm, Blood Pressure, Message, Usb Charging Supports smart phones, Tablets and PC’s and also support Android and IOS
Compatibility: All Android and iOS Mobile Phone & Android Tablet PC. Android Mobile Phone: Samsung, HTC, Sony, LG, HUAWEI, ZTE, OPPO, XIAOMI, and so on. iOS Mobile Phone: iPhone 6, iPhone 6 plus, iPhone 5, iPhone 5s , iPhone 4, iPhone 4s (This APP can’ t be installed by iOS, Apple system can’ t sync SMS and Bluetooth push information, but other functions can be used by iPhone)