Hiwatch TFT Lcd Touch Screen Wrist Bluetooth Smartphone Smart Watches Camera Controls/Music Controls/Activity Tracker/Sync messages TFT Lcd Touch Screen Bluetooth Smart watch-1.48" Capacitive Touch Screen TFT LCD + Bluetooth V3.0+EDR Time / Date / Week / Battery state display. Answer or Dial calls on your wrist Ringing Reminder-when your mobile phone disconnected or receive a call or message (including Wechat, Facebook, Twitter, WhatsApp, Skype, and so on. Only for android phone.) Anti-lost alert-The alarm will ring automatically while cellphone is about 10 inches away from the watch to avoid lost the phone Talk Time: about 3 hours. Music Play Time: about 6 hours -Standby Time: about 160 hours -Power Supply: Built-in 230mAh rechargeable battery Note:Only support Andriod under 5.0 system, Support all of these functions are mentioned,include download app; But for Windows,symbian and iPhone4/4S/5/5S/6/6 Plus,Only support most of function, not support 'Messages', 'BT notice' and 'BT camera' functions,also can't download the app Warranty-we offer Premium after-sale service. a. 12 months warranty. b. 2 months hassle-free return policy. If you have any problem with this item, please contact us