Evod v v battery with LCD screen 3-6V and 650mAh usb slb.
Evod v variable voltage battery features:
variable voltage with 2 buttons
1: "+", On press you can increase the voltage from 3.0~6.0V, when you reaches 6V it starts back at 3.0V.
2: "_" , On press you can decrease the volt from 6.0V to 3.0V, when you reaches 3.0V, it starts back at 6.0V
3. On/Off, press and hold for 3 seconds to turn on device, press and hold for 3 sec to turn off device.
4: The activation (the big one), hold down for 10 sec or longer, the VV e-cig will shut itself off until the button is released.