Water proof ( not for swimming ) 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 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 iOS Store or Google Play This watch has USB Port you need to attach the USB port with your normal mobile charger or laptop to charge the watch Calls messages alarm reminder &camera shoot , This tracker band supports silent alarm alert, daily target achieved/sedentary reminder, Call-in number/name displays, call/messages reminder(facebook, whatsapp, instagram, wechat messages etc.), wrist sense, time format,screen brightness adjustment and supports multi-language.Plus, you can use camera shoot function that makes you take photos without other people's help Note - Please charge the Watch for atleast 2 Hours before first Use. Battery will last up to 3 days on a single charge. Battery capacity : 135 mAh. USB charging Hassle free charging