Looking for discretion without sacrificing performance? The Car Key Penjamin by Smyle Labs is a sleek 510 vape battery designed to look like a car key fob, offering stealth and convenience in one compact device. Whether you're out in public or on the go, this high-performance battery ensures discreet vaping in plain sight. Features Stealth Car Key Design – Blends seamlessly with your keychain for ultra-discreet sessions. 510 Cartridge Compatibility – Works with both 0.5g and 1g cartridges (not included). Customizable Experience – Three adjustable voltage settings for tailored sessions. Preheat Function – Prepares your cartridge for smooth, optimal performance. USB-C Rechargeable – Fast and convenient charging with the included USB-C cable.