Notes: 1.Be compatible for Android (Android 4.4 or above and Bluetooth must be 4.0 or above); for iphone (IOS 7.1 or above and Bluetooth must be 4.0 or above) 2. App: VeryFit for heart rate 3.Lifewaterproof; sweat proof, rain proof, water drop proof Main Features: 1. Sync Sports Data When it paired your smart phone via bluetooth, it will sync your data to Android phone and IOS phone. It gives you a real-time assessment of your exercise like steps, distance ,calories throughout the day.(APP: VeryFit for heart rate) 2. Calls Reminder When you have calls, the smart bracelet will vibrate to remind you and the call icon will turn green. 3.SMS and Social Notice Reminder When you have SMS or social notice such as Facebook and Twitter, the smart bracelet will vibrate to remind you and the bell icon will turn blue. 4. Sleep Monitor It will automatically recognize your state and monitor your whole sleep process with analyzing your deep sleep time and light sleep hours. 5.Remote Camera You can take photos through the bracelet via remotely control of your smart phone. 6. Alarm Clock Don't be afraid that your alarm would wake up others because this silent vibration function just wake you up! 7. Sedentary Reminder Bluetooth heart rate wristband will remind users to take timely rest to avoid fatigue . 8. Metric Unit and Imperial Unit You can choose and unit as you like. 9. Multi-language APP language: Chinese Simplified and Traditional English Russian Italian German Spanish Portuguese Hungarian French Polish Japanese Korea Dutch. Specifications: Brand: Diggro Model: 115LITE Color: GREEN Case Material: PC Wristband Material:TPE Host Weight: 18g Standby Time: 5~7 Days Charging Time :1~1.5Hour CPU : Nordic Bluetooth: 4.0 Screen : OLED Sensor: Kionix Gsensor: Gsensor kx022-1020 Bluetooth Chip Mode : Nordic nRF51822-QFAA Water resistant : IP67 Battery : Li-battery 50mAh Products Contents: 1 x Smart Bracelet 1 x User Manual