The true wireless stereo earphone comes with a unique charging box (more like it power bank) that charges the ear bud.
you can charge the ear pod with the charging box or you charge both directly via electric current. with the charging box in handy, you can always recharge the earphone whenever you like after the initial charge has been exhausted.
the red light on the charging box indicates charging via electric current while the green light shows that the ear bud is been charged directly with the power from the already charged box.
the device produces a very good quality sound. it multi-functional button enables one to pause and play songs (the button also allows you to pick calls while using the ear bud).
why you need this gadget
1. it's very convenient and ideal especially when driving (you can easily pick calls with just a tap on the button).
2. the ear pod comes with a dust-proof mesh(this helps to prevent dirt).