Features 1. New enhanced visual experience: A rich selection of wallpapers makes it very interesting, bringing you excellent image quality and excellent visual experience. 2. More than 100 sports modes: You can choose any number of sports modes as your exclusive sports mode in the application to record your sports data. 3. Heart rate and sleep monitoring: The fitness tracker can monitor your heart rate status and blood oxygen data in real-time, and has sleep monitoring function. 4. Smart notification function: When you receive a phone call, text message, email, or message (Facebook, Twitter, WhatsApp, Linkedin), the smart watch will vibrate to notify you. 5. Easy to communicate: Whether at home, during exercise, or in the office, incoming calls will be promptly pushed onto the watch, answered with one click, and high-definition waterproof speakers will display the original sound, making communication easier and more effective. Specification Watch weight: approximately 51 grams Screen size: 1.85 inches Resolution: 240 x 284 System requirements: Android 5.1 and above, IOS 8.0 and above Bluetooth: BLE5.1 Main control chip: RTK8763E Battery capacity: 260mAh Memory: RAM192KB+ROM64Mb Standby time: 12-18 days Material: zinc alloy+aluminum+plastic Charging method: magnetic charging Color: Black blue nylon+black glue Package Include: 1x H40 Uhr 1,85-Zoll Call Smart Watch