Z19 1.54 inch Color Round Screen Sport Smart Watch, Support Pedometer Heart Rate Sleep Monitoring Features 1. 1.54 inch Touch Screen: The fitness watch features a highly sensitive capacitive full-round 1.54-inch curved HD touch screen with a resolution of 240 x 240. It brings you a better interactive experience and can quickly access exercise data. Through the smooth operating procedures, vivid information display and elegant interface, you will find great fun. 2. Multiple Functions: Use our activity tracker to track your calories, it also features the functions like pedometer, sedentary reminder, sleep monitor, remote photo, alarm clock and other sports modes, notifications of app for Facebook, for Twitter, and other notifications like email, incoming call, etc. 3. Long Standby Time: This watch is compatible for iOS and for Android. Our USB charging cable can ensure easy charging of this fitness tracker. 2 hours of charging can provide you with up to 10 days of use time and 30 days of standby time, which can keep you organized and efficient throughout the day. Our sports watches are compatible with Bluetooth 4.0, suitable for iOS and Android smartphones to get calls, text messages, calendar and smartphone app notifications when your phone is nearby. 4. Unisex Watch: This watch features soft silicone strap, sweat-proof matte surface and ergonomic convex design, making the watch itself more comfortable to wear. In addition, the adjustable strap of the smart watch makes it an ideal choice for women, men and teenagers. Specifications 1. Screen size: About 1.54 inches 2. Screen type: Color touch screen 3. Compatible operating systems: For Android and for iOS 4. Battery capacity: 200mAh 5. Case material: ABS, zinc alloy 6. Strap material: Silicone 7. Bluetooth version: V4.0 8. Charging Method: Magnetic Charging 9. Size: 50 x 52 x 14mm 10. Languages: English, French, Spanish, Portuguese multiple languages