Newest Variable Voltage E Cigarette with EGO-C Twist Battery

Key Specifications/Special Features:
We modified the circuit to enable the adjustment of output voltage from 3.2, 4.0 and 4.8V with a smart buck boost converter inside, you can spin the knob at the bottom to adjust the output voltage depend on your need
Accurate adjustment of output voltage
There are 8 grids on the knob at the battery bottom and each represents 0.2V
Spin the knob in a clockwise direction to increase output voltage and spin the knob in an anti-clockwise direction to decrease output voltage
High-output voltage gives more vapors, you can adjust the output voltage so easily and enjoy the whole vapor time
Accurate adjustment of output voltage, intensified short-circuit protection, discharge and overcharge, switch, atomizer, low-voltage protection
The battery also has the previous lock/unlock function