LEMFO - Pioneer in Smart Wear Industry Hard Parameter: CPU: AMICCOM V4.0BLE Display: 0.96 inch OLED Acceleration: 6-axis G-sensor Battery: 90ma Lithium-ion polymer rechargeable battery Motor: Built-in, remind with vibration Charge: 5V USB jack, charge by PC USB Water-proof level: IP67, Swimming, diving Using time: about 7 days Standby time: about 90 days System Parameter: Data Sync: data synchronization to mobile app Data storage: storage 7 days' sports data, The screen lit time can be set, OTA update (The app version updates) Compatible with mobile phones: Support more than 200 types of Android 4.3 & IOS 7.0 and above, 4s/5/5C/5S/6/6 PLUS/6S/6S PLUS with BT 4.0 Function Parameter: Special Function: 12/24 hours system, date and week display; Display sleep time; Power display Set Personal Information: convert for English and metric units; Fitness goal setting; Fitness information sharing Sports and Health: sports tracking (Pedometer, distance,calorie); sleep tracking (sleeping time, sleeping quality); set fitness goals; movement pattern (Swimming mode, Bicycle- riding mode, Running mode, Rope skipping, Sit-ups, Jumping jacks, Treadmill) GPS movement: Trajectory, distance; Time; Pace; history; share trajectoryAlert & Notification function: all reminder(Android, IOS), contact name display; SMS, QQ, WeChat, Facebook, Twitter, Line, SKYPE, WhatsApp (Android, IOS), content display; Anti-lost warning;Clock alarm; WeChat sport ranking; Smart Buttons: Find phone; Camera remote; Video remote; Music remote Appearance Parameter: Product size: Dial 38mm Watchband material: TPU Watchband length: 170mm-220mm Packing List: Lemfo E07S Smart Band *1 User manual *1 Charging cradle *1