TW64 OLED Display Bluetooth 4.0 Water-resistant Smart Bracelet, Support Pedometer / Sleep Monitoring / Call Reminder / Clock / Remote camera / Anti-lost Function, Compatible with iOS and Android System(Black) This smartwatch supports both Andriod and IOS system, above of iOS 7.0 And Above of Androld 4.3, Its main feature : Heart rate monitor 1.22 inch IPS Round screen, 240*204 resolution capacitive touch screen Function on the smartwatch: Show the time when you want, change the page by shaking hand, heart rate monitor, BT call, MSM, MAIL, Twitter, yahoo. Weather intime, Pedometer Leavel of IP53: waterproof, dustproof, rainproof and sweat-proof; Washing face doesn't affected the normal use of watch Gravity Senor/ Gyroscopes: Analysis yo ur running state, Remind your for a walk after long time setting, Anti-lose, Remote Camre