Please NOTE This wireless smart sports watch is the one must be used with Mobile phone and dedicated APP.</br>Love life walking from now on: TW64 will record your stepdistance and caloriewhich can help you to set the target. resistance and waterproof.</br>Function description: Step counts Distance measuring Calorie Consumption management Sleep management Event trigger (water drinking taking medicine meeting etc) call reminder clock sedentary reminder anti- lost (positive and negative direction lookup) remote camera vibration alarm clock.</br>For Android / Iphone Smartphones it can support all the function in the description. Compatible with: Android 4.4 or above IOS 7.1 or above (such as iPhone 4S iPhone 5 5C 5S 6 6+77+)</br>At some certain degree the lcd will show the digital automatically.</br></br>Product Description</br></br><br>Standby time: 15 days.<br> <br>Your healthy monitor: Help you to keep a good habithealth and happiness follow you<br> <br>Love life walking from now on: TW64 will record your stepdistance and caloriewhich can help you to set the target<br> <br>Monitor your sleep:TW64 is able to detect how long you sleepthrough its health software??count up your time of deep sleep??light sleep<br> <br>Smart reminder: In-call reminder??sedentary reminder??drinking reminder??wake up alarm etc<br> <br>TW64 is made by TPU Polymer composite materials??containing features like light??high resistant and high damage resistance.<br> <br>Light as feather??with advanced coloring and never fade??you are comfortable while wearing TW64 which made with ergonomics??tested with 48 different position<br> <br>Life Waterproof<br> <br>4.0 version Bluetooth??using international first-line sensor??it will be a good one has accurate data synchronization??miss no in-calling and accurate calculation of sport and sleep<br> <br>Function description:step counts??distance measuring??calorie consumption managemen