The Fitbit Zip Wireless Activity Tracker in white is designed for unisex adults and can be used with Windows, iOS, and Android operating systems. It provides distance and calorie measurements, with a battery life of more than 7 days. The model is Zip and it features wireless connectivity, a calorie monitor, and water resistance, making it ideal for activities like running and jogging. The product comes brand new and factory sealed, ensuring its quality and reliability.

Please note this is an old stock item. I do not know if the battery still good please be advise.