We are offering bluetooth waterproof smart bracelet for fitness tracker * once again break through the limit inteligent healthy new fashion bracelet * your healthy monitor: help you to keep a good habit, health and happiness follow you * love life walking from now on: will record your step, distance and calorie, which can help you to set the target * monitor your sleep: is able to detect how long you sleep, through its health software, count up your time of deep sleep, light sleep * smart reminder: in-call reminder, sedentary reminder, drinking reminder, wake up alarm etc * light as feather, with advanced coloring and never fade, you are confortable while wearing which made with ergonomics, tested with 48 different position * function description: passometer, distance measuring, calorie consumption management, sleep management, event trigger (water drinking, taking medicine, meeting etc), clock, sedentary reminder, anti-lost(positive and negative direction lookup), remote camera (only for android cell phone), vibration alarm clock. Specifications: * bluetooth version: bluetooth 4.0 (low power consumption) * screen: oled* sensor: g sensor * compatible with: ios 7+ version, android 4.3+ version