If you use computer all day,the passthrough is your Best Choice! Vape all day without charging! The DSE 901 USB Passthrough allows you to connect a wire directly to a USB port in your computer or even a USB power supply and not have to waste your batteries while you use your electric cigarette. This is perfect if you work with computers.
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This manual battery is specially designed for the DSE 901 Electronic Cigarette. The DSE 901 battery has a bright blue led at the end unlike other brands that only have a red led.
This battery is available in a variety of different colors:

White
Black
Purple
Pink
Stainless
Green

The white battery is available as a manual (with a switch on it) or an automatic battery.
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