Dual-function design: serves as both a 510-thread cartridge battery and a finger skateboard 

500 mAh internal battery 

Five voltage settings: 2.4 V, 2.8 V, 3.2 V, 3.6 V, 4.0 V 

12-second preheat mode 

Compact form factor: ~3.5 inches long 

Compatible with standard 510-thread cartridges

Nine color/finish options 

Display to show voltage/status; screen behavior during charging

Safety & protection features:
 • Low battery warning (screen flash) • Open-circuit & short-circuit alerts 
 • Timeout cutoff (heating stops if button held too long) 

Charging via USB-C; display indicates charging and then powers down when full