Fitness Tracker, Otium Fit Bluetooth 4.0 IP57 Waterproof Smart Bracelet Sports Wristband with Pedometers Incoming Calls/SMS notice Sleep Monitor Anti-lost for Android iPhone Smart Phone (Black) Various sports and fitness tracking: Steps and Distance Tracking, Fitness Goal, Calories Calculation and Sleep Monitoring, Task Alarm, Camera/Video Capture Remote Control Two-way anti lost: Alarm when Wristband or Phone is out of range, or Send Alarm Signal to Wristband from within the App IP57 Waterproof level, Slim, Comfortable and Easy to wear with Replaceable band Super-long 180 days standby time with USB charger port, easy to charge without cable with directly connecting to computer or USB charger Bluetooth 4.0 enables Super Fast Data Sync and Stable connection; Vibration Wake Alarm and Multi Languages Support