Fitness Tracker Waterproof, Activity Tracker Watch with Heart Rate Monitor, Smart Band with Blood Pressure Monitor, Calorie Counter, Sleep Monitor, Pedometer for Kids Women and Men Fitness Tracker - Heart Rate and Blood Pressure Monitor: Monitor your heart rate and blood pressure whenever you want. Helps you to exercise scientifically and improves the exercise quality. Smart Watch - Call/SMS Notification: Display incoming calls, SMS and SNS (Facebook, Twitter, Instagram and other apps) notifications from your connected smartphone. Never miss any important message. Fitness Watch - IP67 Waterproof and built-in USB charger: The smart fitness tracker meets the international IP67 waterproof and dustproof standard. But we dont recommend to wear the fitness tracker while swimming or taking a shower. You can directly plug in the tracker into USB charging port without extra charging cable. Activity Tracker - All Day Activity Tracker: Keep monitoring your steps, distance, burned calories all day. Sleep Monitoring Tracks your deep sleep, light sleep, and awake time so that you can have a comprehensive understanding of your sleep quality. Fitness Tracker Watch - All other features: Sedentary reminder, Remote camera shooting, Find Band. 2 customized clock faces. Comfortable, fashionable, adjustable anti-lost strap for lovely kids, sporty and business men and women. Brand: Hexdeer Screen Size: 0.96 inch Bluetooth Version: BT 4.0 Minimum OS requirement: Android 4.4 or above, iOS 8.4 or above Battery Type: Polymem battery Battery Capacity: 80mAh Bracelet Size: 18*43*11 nm Strap Size: Long Strap: 115*18*2 nm; Short Strap: 102*18*2 nm Material: silica gel and plastic Waterproof: IP67. Do not shower or swim with the device. Maximum Operating Altitude: 30000 feet (9114m) Operating Temperature: -4 to 113 F (-20 to 45 C)