Power Source:Car Lighter Slot,USB
Port:3 USB port
Smart 3 USB 4.2A Car Charger with Safety Hammer Design.
Car charger + escape safety hammer 2 in 1 design, beautiful appearance.
3 USB Max 4.2A output, can charge three smartphones at the same time.
Intelligently distribute current according to the charging device.
Fast charging speed and high efficiency, reliable to use.
Can be used as safety hammer in emergency situation.
Seven's protection: overcharge, over discharge, over-power over-current, temperature and short circuit protection.