... as a USB flash drive for exchange and storage when the switch is set on the NO 1 position.• Self Charging.A fully-charging process ... used for about 100 hours as a flashlight.• Portable Charger.The fully charged inhaler device stores an electricity capacity of 2200mAh ... third-party electronic device,cell phone,MP3,MP4,etc. This is inhaler device with e-cig inhaler, flashlight, portable charger, and ...