Teclast H30 rtos Bluetooth 4.0 Smart Bracelet with OLED Night Vision Display Screen & Circular Touch Button & Perspire Silicone Band & Heart Rate Monitor & Text Synchronism Pushing & Pedometer & Sport Tracker & Sleep Monitor & Call Reminder & Sedentary Reminder & Bidirectional Anti-lost For Android and IOS Devices(Black)

1. Compatible with Bluetooth 4.0 Android and iOS devices(for example, Apple: iPhone SE, iPhone 6s Plus, iPhone 6s, iPhone 6 Plus, iPhone 6, iPhone 5C, iPhone 5, iPhone 4S; Samsung; Xiaomi: Max, Mi 4, Mi 4c, Mi 3, Mi 2, Mi 2S, Mi 2A, Mi 1S, Redmi Note 2, Redmi Note, Mi Note). 2. Heart Rate Monitor: The custom heart rate sensor in it can help gauge your intensity during workouts to improve overall calorie tracking. 3. Sport tracker: become your private management experts, monitor your daily movement, check the number of steps, help you to achieve your health goals. 4. OLED Display Screen: just touch the circular press key on the screen, then your sports information will displayed on the sreen. When you are unhandy to touch the screen, you just need to lift your wrist and the screen brightens automatically, very convenient for night sports. 5. Sleep Monitor: this item weighs only 17.3g, you can wear it when you are sleep and not to feel it. It can record your sleep duration, deep sleep hours automaticly. 6. Call and Messages Reminder: when calls incoming or messages receiving, your band will vibrate and you will not miss important calls or messages any more. 7. Sedentary Reminder: if you sit on your chair and not move for a long time, the band will remind you to take exercise through vibration. 8. Bidirectional anti-lost: after connect the bracelet to your phone throgh bluetooth, you can search your bracelet or phone with the other by opening the gesture searching function. After opening the gesture searching function, your bracelet or phone will vibrate or make a sound and you can find them as soon as possible. 9. Life waterproof dustproof: protect your bracelet from water, cosmetics, sweat and dust effectively, you can even wear it when you wash your hands or take a shower with the shower nozzle. It durable and convenient for your daily use. 10. Silicone wrist strap with perspire hole design, with soft surface that affinitive with the skin, breathable and anti sweat. 11. Long standy time: for about 30 days.