USB-C lithium battery charging 1500mAh Travel Electric Grinder | Mini size and lightweight, can be held with one hand, easily carried outdoor. After charging, easily make freshly ground coffee during road trips, boat trips, camping, long traveling, vacations, or business hotel stays. Wide Brewing | A great partner for pour-over drip coffee, also meet required coarseness size for AeroPress, French Press, Electric Percolation, Moka Pot. Slow grinding, clicks 5, medium roasted beans, get 15g pour-over coffee powder in 80s. Convenient Power | No need for a hand to crank, motor grinding, automatic stop. Cordless design, no need to find a socket to plug in when grinding. Ceramic Conical Burr | Less heat generated during grinding, can retain more coffee aroma. Ceramic burrs can be washed with water, will not rust and oxidize, easy to disassemble and cheap to replace.