1) Remove the charging cable from the box
2) Connect one end of the Micro USB charging cable to the Actofit Badminton Tracker
3) Plug the USB end of the Micro USB charging cable into to USB port of your Phone Charger/ Laptop/ Computer
4) Your Actofit Badminton Tracker should get fully charged within 90 Minutes
5) Then you can remove the Actofit Badminton Tracker from charging and attach it to your racquet with the help of Silicon Adaptor for approximately 10 hours use.