This Fitbit Charge designer sleeve brings trendy design to your fitness tracker. You'll look great while protecting your Fitbit Charge or Charge HR with this easy-to-use silicone sleeve. The French Bull Fitbit sleeve goes over your existing Fitbit Charge band, maintaining the display and adding flare and personality to your fitness tracker. Color coordinate your Fitbit Charge/Charge HR accessories to your band or your outfit for maximum versatility. The French Bull Fitbit sleeve is a simple way to incorporate health and fitness in your life with style. U.S. Patent No. D766,770. U.S. Patent No. 9,632,534.