Lo Key is portable "key" shaped battery that is designed to be discreet and lightweight. The Lo Key features a hidden retractable 510 connector that is revealed with the press of a button. The Lo Key features a built-in 350mAh battery and is compatible with most 510 cartridges. A compartment is available for 510 cartridges when retracted. A hidden built-in USB charging cable is installed for your convenience. A loop is also available for attaching the Lo Key to your keychain.

Features and Specs:

Hidden Retractable 510 Connector Design with Button Built-in

350mAh Battery Compatible with most 510 Cartridges Compartment for 510 Cartridge

Hidden Built-in USB

Charging Cable Side Micro USB Charging Port

Loop for Attaching to Keychain

LOKEY VARIABLE HAS THREE DIFFERENT VOLTAGE SETTING

LOKEY CONSTANT HAS A CONTANT VOLTAGE SETTING