Item:Description:With the high-end and well-designed appearance， the portable multifunctional smart wristband is perfect in: tracking steps， distance measurement， calorie consumption management， monitoring your sleep cycle， time displaying， waking you (for drinking， sitting for too long， waking up) with a silent wake alarm. TW64 smart wristband is your perfect companion， stay with you everywhere and keep a health record of your body. Features:For Android Smartphones， it can support all the function in the description.For iOS iPhone， it cannot support call reminder， message reminder. Your healthy monitor: Help you to keep a good habit，health and happiness follow youLove life walking from now on: TW64 will record your step，distance and calorie，which can help you to set the targetMonitor your sleep: TW64 is able to detect how long you sleep，through its health software，count up your time of deep sleep，light sleepSmart reminder: In-call reminder，sedentary reminder，drinking reminder，wake up alarm etcTW64 is made by TPU Polymer composite materials，containing features like light，high resistant and high damage resistance.Light as feather，with advanced coloring and never fade，you are comfortable while wearing TW64 which made with ergonomics，tested with 48 different positionLife Waterproof4.0 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 sleepFunction description:step counts，distance measuring，calorie consumption management，sleep management，event trigger(water drinking，taking medicine，meeting etc)，call reminder，message reminder，clock，sedentary reminder，anti-lost(positive and negative direction lookup)，remote camera，vibration alarm clock.Specifications:Appearance meterial: Aluminum alloy shell，soft rabber strapBluetooth version: 4.0BLE(low power consumption)Screen: OLED 64*32Memory: 64KB RAM + 64KB ROMSensor: G sensorType: iOS 6.1+version， Android 4.3 +versionStandby time: Normally use for a week，standby for 3 mouthsColor: Gray Blue ONLY (Other Colors in images are as reference) Package:1 * Smartband Smartwatch