Features: 1.2” FSTN full view reflective display, automatically adjust screen backlight to provide better visual effects. IP68 triple protection, dustproof and anti-drop design, tough and durable to use. 5ATM waterproof, effectively protect your watch from rainy, splashing, sweat and other daily water. Health management, set your health goal and view your daily activities. Smartphone connected with App via BT 4.0. Stable, fast and more practical. Multiple sport modes, including running outdoor, running indoor, fat burning, endurance running, walking, cycling, cycling indoor, treadmill running. 3 groups of buzzer sound alarm, you won’t miss anything. When you have phone call or message, it makes a sound to remind you. Wide compatibility, support BT 4.0, Android 4.3 and above, iOS 8.2 and above. Low consumption, CR2450 battery, standby time is up to 33 months battery life under normal use. Parameters: Chip: nFR51802 Screen: 1.24 FSTN BT: BT 4.0 Compatibility: with Android 4.3 / iOS 8.2 and above Battery: 610mAh Battery Type: CR2450 battery Standby Time: 33 months Language: Simplified Chinese, Traditional Chinese, English, German, Russian, Spanish, Portuguese, Italian, French, Polish, Japanese. Other Functions: Date, luminous dial, motion data synchronization, app reminder, pedometer, calorie, alarm, stopwatch, remote camera, call reminder, message reminder, health management, drinking water reminder, weather, multiple sports modes, etc.