Bought this Item for my wife and she never used it. BRAND NEW open box, but it has never been worn or plugged in. Enhance your fitness routine with the all-new Fitbit Alta FB406PMS Activity Tracker. This unisex activity tracker is sealed brand new and comes in a beautiful silver/plum color. It can be used both indoors and outdoors and has a rechargeable battery that lasts up to 5 days. This activity tracker has multiple features such as multi-sport mode, GPS, Bluetooth, and a heart rate monitor. It is compatible with Windows, iOS, and Android operating systems and can track your heart rate, speed, cadence, distance traveled, and calories burned. It comes with sensors like an accelerometer, gyroscope, GPS, and a compass, and can be used for gym and training, weight lifting, yoga, running, and jogging. Get your hands on this amazing Fitbit Alta and take your fitness game to the next level!