Smyle Labs Fufu 510 Cart Battery - Limited Edition (Blue)

Meet Fufu – a pocket-sized powerhouse that combines style with performance. This limited-edition 510 battery features adjustable temperature settings, universal compatibility, and convenient USB-C charging, all packed into a compact, keychain-ready design that's built for life on the go. Key Features: Universal 510 Thread – Compatible with all standard cartridges. Easy Control Button – Fire button with glowing LED indicator on the back. Three Adjustable Voltage Settings – 2.7V (Green), 3.1V (Blue), 3.6V (Red). USB-C Charging Port – Fast and reliable recharging via the bottom port. Compact Keychain Design – Ultra-portable size (3.7” x 2.4”) for convenient travel