Premium High Quality Design and materials, this watch is one of the best "value for money" smart watches out there. With its capability of being able to track your fitness, view messages, take calls, stream music from your connected devices, you will basically have full access to information and functions from your connected devices on touch of your finger tips. Specs Include: 1.75 inches 2.5D glass mirror high-definition IPS screen, resolution 320*385, capacitive touch screen The 44mm strap can be replaced to any color/ design you may desire in the future Battery capacity: 220mAh, Battery life 2-3 days (Usage Dependent, this figure may vary) Weight: 50g Dual Bluetooth: Bluetooth 3.0, 4.0, support Bluetooth call, vibration reminder 17 language packs synchronized mobile phone language(English, Russian, Arabic, Vietnamese, Burmese, Thai, Polish, Persian, Spanish, Malay, Greek, French, Italian, German, Portuguese, Indonesian, Turkish) Other functions: alarm clock, stopwatch, etc.; Bluetooth notification: incoming call/SMS/WeChat/QQ/Whats App/ Facebook/Line/Twitter and other information reminders; support heart rate detection/pedometer/sedent reminder/sleep monitoring/mobile phone search function/Bluetooth music playback/control of mobile phone photos ;Synchronize mobile phone book/call history/SMS (SMS does not support IOS system)