The pedometer is a non-Bluetooth, non-APP and no smartphone needed design, a simple but powerful pedometer. It is very easy to use, the perfect gift for your kids, parents, family, friends. It also has a high-performance button battery last between 1-2 years, so it means that it can’t be charged. With a soft smooth rubber watch band, it’s very comfortable and easy to wear. Specifications Non-Bluetooth Fitness Tracker for Kids Pedometer Counter Step/Pedometer Timer Distance Tracking Calorie Tracking Date/Time display (12/24hours) Stride Length Recording Step Setting Weight Setting Graded IP56 Waterproof Product dimensions: H:4.5 x W:3.4 x D:2.2cm Material: Rubber Belt Colour: Blue