Best Buy: Garmin vivofit 3 Activity Tracker (Regular) Black 010-01608-00
Garmin Vivofit 3 review: Garmin Vivofit 3 can automatically detect exercises, last an entire year (hands-on) - CNET
vívofit 3 - Replacing the Battery
Dunfire Replacement Wristbands and Clip Cases for Garmin Vivofit 3/ Vivofit JR/JR 2, Large Size and Small Size Bands, One Size Clip Holder Cover : Electronics