G45 2.01 inch Screen Silicone Strap 10m Waterproof Smart Watch, Support Flashlight Bluetooth Call HRV 1. Functions: Bluetooth calls, compass, flashlight, heart rate, blood oxygen, sleep, pedometer, more than 10 sports modes, calorie consumption, raise your hand to light up the screen, alarm, APP information reminder, stopwatch, music control, remote photography, weather, screen brightness adjustment, APP movement track, search function, alarm setting, drinking water reminder, do not disturb mode, sedentary reminder, custom watch face, more than 200 watch faces to download 2. Sports modes: indoor running, indoor walking, outdoor running, outdoor walking, hiking, stepper, outdoor cycling, indoor cycling, elliptical machine, rowing machine, skipping rope, yoga, fitness, dance, HIIL, rock climbing, competition, ball, fitness games, free activities 3. Push function: QQ, WeChat, Google, Twitter, Facebook and other instant applications 4. Language: APP: Danish, Russian, Croatian, Hungarian, Hindi, Indonesian, Turkish, Hebrew, Greek, German, Italian, Czech, Slovak, Japanese, French, Polish, Persian, Thai, Swedish, Simplified Chinese, Traditional Chinese, Romanian, Finnish, English, Dutch, Portuguese, Spanish, Vietnamese, Arabic, Korean, Malay Watch: Simplified Chinese, Traditional Chinese, English, Japanese, Spanish, French, German, Italian, Dutch, Polish, Russian, Hebrew, Thai, Hungarian, Indonesian 5. Hardware parameters: Chip: Zhongke Bluexun AB5681F APP: H Band Compatible system: Android 5.0 and above, IOS 9.0 and above Bluetooth version: 5.2 Memory: 64Mb Screen size: 2.01-inch TFT Pixels: 240x296 Touch type: full-screen touch 6. Sensor: Gravity sensor: Supported Encoder: Supported Heart rate: 3602 7. Battery: Battery type: Lithium-ion polymer Capacity: 380mAh Charging method: Magnetic charging cable Charging time: About 2H Battery life: About 5-7 days of use, 30+ days of standby