VCALL U8 Plus Bluetooth Smartwatch Smart Watch Wristwatch Long Battery Life Barometer Phone Mate for Samsung Huawei HTC Android Smartphones-Black Upgraded U8 Plus: Long Battery Life ,barometer, Dial, SMS, phone book, call history, BT notification, BT music, long-distance capture, pedometer, sleep monitor, anti-lost Alarm, power save mode etc. Android Supports Functions: Sync, Passometer, Calculator, Stopwatch, Alarm Clock, Anti-lost Alarm, Barometer, Thermometer, Sleep Monitoring, Music Player, Call History, Set Time/Date, SMS, MMS, Wechat, QQ, and Remote Camera. IOS Supports Functions: Sync, Passometer, Calculator, Stopwatch, Alarm Clock, Anti-lost Alarm, Barometer, Thermometer. NOTE: Do not support Text Message, SMS, Wechat, QQ, or Remote Camera. Support hands-free Calls / Answer or Dial calls from your wristwatch. Ring reminder when your Android 2.3 or above smart phone receive a message (including Wechat, Facebook, Twitter, WhatsApp, Skype,and so on).