This is the genuine Joye 510 USB passthrough for Joye 510 e-cigarette or electronic cigarettes. Joye 510 USB passthrough has a Manual button to let the user control it manually. Joye 510 USB passthrough is sealed to prevent being spoilt by e-juice or e-liquid. The Joye 510 USB passthrough is a good alternative to the regular rechargeable battery if you sit at computer all day. Vape with Joye 510 USB passthrough all day without charging! It is Not recommended to use Joye510 USB passthrogh with High voltage (HV) Joye 510 atomizer or Low resistance (LR) Joye 510 atomizers. Please use regular Joye 510 atomizer. Please note: As this Joye 510 USB passthrough needs a working current less than 500mA, it can also work with the AC-USB adapters or Car 12-24V adapters for USB charger on our website. Including *Manual USB passthrough (No LED) for Joye 510 e-cigarette 1pc *360mAh rechargeable li-ion battery 1pc Note: sealed device Parameter Input voltage DC 5V Output voltage DC 3.3V Cutoff time no cut-off time Diameter 9.2mm Cord length 100cm