A. Product size: 19mm*75mm B. Battery capacity: 1200mAh C. Charging voltage: 5V/1A D. Gamle capacity: 155mL E. Battery voltage: 3.7V F. Power: 13W G. Bean capacity: 25g H. Material: ABC/PC/304 stainless steel/ceramic I. Recommended product uses: Camping J. Special product use: Coffee grinder K. 【Excellent Ceramic Notches】The electric coffee grinder uses ceramic conical burrs, which are in close contact with the coffee beans during grinding and are ground more evenly. It generates less heat than blade - type grinders and can maximize the natural aroma of coffee. L. 【One - button start and two modes】The coffee grinder uses one start button. Press the switch once, the machine will start grinding until the coffee beans are ground and stop working automatically. Long press the switch for 3 seconds, the machine will start grinding until it stops after 3 minutes. M. 【Wireless and Portable】The electric coffee grinder is designed to be wireless and can be charged via USB - C. The warning light is always on when working, so you can clearly see the amount of coffee beans even in dark environments. The small size also supports travel, so you can enjoy coffee anytime, anywhere. N. 【Easy to Use】The grinder box can hold 25g of coffee beans at a time, which can meet your daily needs. Turn the knob at the bottom of the electric coffee grinder to adjust different coarse and fine coffee powder. It is convenient to make coffee with different flavors. The magnetic buckle design makes it easy to open the coffee powder box and easy to clean. O. 【Multifunctional Gift】The electric coffee grinder can also grind other dry ingredients such as spices, pepper, cumin, parsley, cinnamon, mint, etc. The coffee grinder makes your life full of possibilities. You can give it to your friends or family as a holiday or birthday gift.