Smyle Labs Car Key Variable Voltage Battery

The Smyle Labs Car Key Variable Voltage Battery brings discreet aromatherapy to the next level. Designed to look and feel like a real car key fob, this device hides your cartridge inside a sleek, low-profile shell—perfect for users who want privacy without sacrificing performance. Compatible with most 1G 510-thread cartridges, it offers three customizable voltage levels and a smooth, reliable output in a portable, key-ring-ready design.