Outdoor products from the sports series: Android 4. 3 and higher, iOS 7. 0 and higher, support for a Bluetooth 4. 0 smartphone, 180-day ultra-long waiting time, professional design of daily water resistance, supports functions such as pedometer/calorie consumption/sitting reminder, etc. Support the function of remote photography by jittering, support reminder calls and mobile phone, support phone search function, support for online application updates, necessary objects of active sports, the colour of the coffee and black colour are optional for the watch on the strap. Bluetooth smart quartz watch parameters: Model: Y22/y23 movement of the watch: Japan's original movement battery: Cr2032 battery button master: Dialog/da14580 clock pointer work time: 1-2 years waterproof: Level ip67, 30 m waterproof design diameter of watch: 40 mm (1. 57 inches) watch thickness: 12 mm (0. 47 inches) strap with dial length: 255 mm (10 inches) net weight: 49g gross weight: 0. 18 kg packing size: 195 x 97 x 35 mm (7. 67 x 3. 82 x 1. 38 inches).