Xorastra Top-grade Bluetooth Smart Wrist Watch Sweatproof Fitness Tracker Pedometer Sleep & Calorie Monitor w/Adjustable Wristband for iOS, Android/Windows Devices TOP-GRADE SMART WRIST WATCH BLUETOOTH SWEATPROOF FITNESS TRACKER Pedometer Sleep & Calorie Monitor for iOS, Android/Windows Devices and most Bluetooth enabled devices. Color: Black YOUR LIFE IS MADE EASIER  This impeccable Fitness Wristband features Bluetooth 4.0 version enhanced with first-line sensor efficiently giving you an accurate data synchronization keeping you and your mobile phone connected at all times. Once you sync your mobile phone to this bracelet it will keep track of where your phone is, help take calls with an LCD caller ID prompt. FEATURES THE BEST ERGONOMICS  You can play music on your phone by controlling it through this smart fitness tracker. The wristband is adjustable to cater all wrist sizes. It has an intuitive control buttons on the sides for easy usage. Designed compact and lightweight making it just the thing to keep you company during your daily jogs and exercises. MAKE EVERY STEP COUNT!  This also functions as a step counter or pedometer to help you achieve the steps you need to take every day to maintain your fitness. You need not worry about wearing it during your exercises since this is also moist and sweat proof! LIVE HEALTHIER! Keep track of your sleep time, sleep quality, water consumption and fitness activities. Compatible with iOS Device and Windows/Android Smartphones and Tablets. Get a timepiece thats more than an object to tell you the time. You can get something more for your money with this all new Bluetooth Fitness Tracker Smart Wristband from Xorastra .