X9 PRO smartband is a device that makes you live in healthier and more intelligent lifestyle. It helps to monitor basic physical indicators like sleep quality that you can know your body condition better. It tracks steps and shows you how you're stacking up against your daily goals. Besides, you can share your data on Facebook and Twitter, which may encourage you and your friends to do exercise and raise interest in sports. Main Features: Perfect Personal Health Tracker: heart rate monitor, pedometer and sleeping monitors. Ultra-long Battery Life: it consumes less power and can generally standby for 7 - 15 days. Waterproof Design: IP67 waterproof standard, suitable to use at home, office and during outdoor activities. Pedometer Sedentary reminder Heart rate monitor Sleeping monitor Alarm setting Hardware Built-in chip type: NRF52832 Bluetooth Version: Bluetooth 4.0 RAM: 64K ROM: 512K Waterproof: Yes IP rating: IP67 Functions Bluetooth calling: Caller's name display,Phone call reminder Messaging: Message reminder Health tracker: Blood Oxygen,Blood Pressure,Heart rate monitor,Pedometer,Sedentary reminder,Sleep monitor Remote control function: Remote Camera Notification type: Facebook,Twitter,Wechat,WhatsApp Screen: OLED Operating mode: Press button Type of battery: Lithium-ion polymer battery Battery Capacity: 105mAh Charging Time: About 2hours Standby time: 7 - 15 days General People: Female table,Male table Dial and Band Shape of the dial: Rectangle Case material: Zinc Alloy Band material: Silicone Features Compatible OS: Android,IOS Compatability: Android 4.4 or above and iOS 9.0 or above Weight and Size Dial size: 4.2 x 2.95 x 1.08 cm Band size: 23.5 x 2.0 cm Product size (L x W x H): 23.50 x 2.95 x 1.08 cm / 9.25 x 1.16 x 0.43 inches Package Contents: 1 x Smartband, 1 xManual,1x Charging Cable