These new 900mah Varivolt Passthroughs let you change the voltage from 3.4-3.7-4.2 volts. Click the button 5 times fast to change between voltages. The color led changes color for different voltages! vape at the pc while charging and remove the usb cord when fully charged to take with you on the go!
Vision 900mah Black 3.4-4.2 Varivolt Passthrough
Vision 900mah Black 3.4-4.2 Varivolt Passthrough
