1 Fast Grind: stainless steel blade - 20,000 rpm/min high-speed motor.
2 Longer Life: made of high-grade metal aluminum.
3 Led Prompts: blue light - start grinding, red light - charging, green light-fully charged, 40 seconds automatic stop.
4 Easy to Use and Clean: high transparent plastic cup, press and hold the switch (ON/OFF) for 3 seconds to start work.
5 Easy to Carry: great for grinding a small batch of dry herb spices-plus it's easy to clean and don't take up a lot of room-USB charging.