Multi-Sport, Wireless, Bluetooth, Altimeter, Stopwatch, GPS, Pedometer, Clock, Calorie Monitor, Date, Set Goals, Rechargeable Battery, Distance Traveled, Alarm, Exercise Log, Heart Rate Monitor, Sleep Tracker For Operating Systems: Android and IOS Sport/Activity: Gym & Training, Walking, Pilates, Running & Jogging, Fitness Fitbit Charge 2 Activity Tracker with 3 SMALL Bands. Pre-owned. Has been factory reset to begin. Unit comes with Tracker, 3 bands (White, Grey, and Black) and 2 large bands (pink and dark blue) and a USB charge cable. IT DOES NOT INCLUDE ANY ORIGINAL PACKAGING OR MANUAL. All the information you need is on the Fitbit App to install. Please refer to photos for details.