It can take up to 90 minutes to fully charge a ReadiBand. 

 
Remove the pod from strap to expose USB connector
​Firmly bend the strap away from the pod. Don't worry, they're durable. 

 
Plug the pod into any USB port (e.g. on a computer or phone charger)
​The pod can be plugged in screenside up or down.Try inserting it both ways, doing so squarely and all the way. 

If plugged in correctly, the screen will briefly turn on indicating it's charging. 

   
​Swipe to check battery

When you're done charging, firmly press the pod back into the strap.