Seekfit Fitness Band – the motivation to get active!Water resistant (IP67) to a depth of 1.0m for up to 30 minutes.Functions: Distance, Calories, Heart rate monitoring, Sleep monitoring, Time and date display, Timer, Call and text notifications, Sedentary reminder, Sports function, Camera control.Standby time: 25 days, using time: 5-7 days. Software Download: Powerfit from App store, Google Play or equivalent. Charging: via included clip on charger. Rechargeable 140mAh LiPo battery. Compatibility: IOS 8+ Android 4.4 (Bluetooth version 4.0).