Open the small box at the bottom of the speaker, and the charger and instructions lie quietly inside. Connect the charger to the hole at the bottom of the speaker, and you can use it. I thought that the data line would affect the balance of the speaker, and looked carefully at the bottom of the speaker there is an arch hole for the data line to pass through. It's a pretty sweet little detail. The bottom of the speaker is also equipped with rubber pad anti-slip and reset button reset operation