Smart Watch,Fitness Watch with Heart Rate,Waterproof Activity And Step Trackers for Women and Men, Smart Watch with Sleep Monitor & Calorie Counter Feature: All-day Activity Tracking: Accurately record all-day activity, such as steps, heart rate, distance traveled, calories burned, miles walked, active minutes, sleep status, and more Heart Rate & Sleep Monitoring: Uses the latest sensor to continuously automatically track your heart rate, help you a better understanding of your health; it automatically tracks your sleep time and sleep quality (deep sleep, light sleep, awake sleep) at night Instant Notifications: It vibrates to remind you when your phone receives a call, text, or SNS message (including Facebo-ok, TWITTE-R, WhatsApp, etc.). This smart bracelet is compatible with iOS and Android phones, need to download and install the customized "H BAND" app to connect your fitness watch to your smartphone, you'll never miss an important call or message again. Built-in USB Plug & IP68 Waterproof: The smart watch is easy to charge with any USB socket on a computer, phone charger or power bank, no charging cable is required. Lasting up to 5-7 days battery life that fully charges in 2 hours. With IP68 waterproof grade, you can wear it while washing your hands or running in the rain More Compatibility: Fully compatible with smartphones with iOS 8.0 & higher/Android 4.4 & higher systems and Bluetooth 4.0 & higher Specifications: With 0.96 inch TFT screen Continue Heart rate detection Time / clock display, step, calories, distance, sleeping, camera, switch on/off display Sport mode (runningn) Sleep monitoring (sleep time, sleep quality, stay up late) Call reminders, SMS reminder, qq reminder, micro reminder, Skype, Faceboo-k, whatsApp reminder Find the phone Alarm clock /sedentary One-key measure of heart rate Remote control camera (SHAK-E SHAK-E to take pictures) Andrews and Apple Application Synchronization: H BAND System:Android system 4.4 version or above ;iOS system 8.0 version or above ;Support bluetooth with 4.0 version Bluetooth version:BLE 4.0 Chip:NRF52832 RAM:64K(Flash 512K) PPG chip:ALS-PD70-01C Battery:110mAh Charge time:2 hour Use time:5-7 day Motor:Built in, vibratng reminder Waterproof level:IP68 Sensor:G-sensor 3D Product size:4.6x2x1.37cm/1.81x0.79x0.54 inch Package size:11x8.5x2.5cm/4.33x3.34x0.98 inch Net weight:29g/0.06 lb Gross weight:63g/0.14 lb The Package Include: 1 x Smart watch 1 x Use manual