The Permanent Marker Penjamin by Smyle™ Labs is the ultimate stealth 510-thread battery, cleverly disguised as a fully functional marker. Whether at home, in the office, or on the go, this discreet device allows you to keep your sessions private while maintaining a sleek, everyday look.

Designed to fit up to 4g cartridges, this innovative 510 battery offers adjustable voltage, a preheat function, and secure storage for your aroma carts. With its realistic marker design and durable construction, it’s perfect for users who value both functionality and discretion.