The listing, UP by Jawbone has ended.
This is a Up by Jawbone fitness/sleep tracker. Size is Medium which fits a wrist 6-7in.
Splash-resistant, but do not submerge
Avoid excessive bending
Band: hypoallergenic TPU rubber
Cap: TR-90 Nylon, plated in Nickel
Cleaning: Apply Isopropyl Alcohol or alcohol-based sanitizer applied to a cloth or cotton swab
Compatible Devices
iOS 5.1 or greater
Android 4.0 (Ice Cream Sandwich) or later
This item plugs in to the headset jack on your phone to update your progress