Discreet, temp adjustable key fob vape for 5-thread carts (0.5 & 1 gram). Looks exactly like a car key – fool your coworkers, wife, and even airport security! Clip this 500mAh battery on a lanyard or your belt loop and get access to quick, flavorful hits! Key features & specs: Discreet key fob vape pen design 4 adjustable temperature settings 10-sec preheat function for thick oils Stealth design protects glass carts 500mAh battery capacity (all-day use) Rechargeable with included USB cable