The Orion Bar 7500 Disposable Vape is pre-filled, pre-charged, and ready to use straight from the box. Simply inhale to activate and enjoy the smooth, flavorful puffs. No buttons or refills are required. When the battery runs low, check if it's rechargeable via USB-C. Once the e-liquid is depleted, dispose of it responsibly. https://orionbarofficial.com/charging-instructions-for-orion-bar-7500-step-by-step-guide/