Specification: Product Name:Magnetic electric coffee grinder Battery capacity: 1200mAh Charging voltage: 5V/1A Product capacity: 155mL Battery voltage: 3.7V Power used: 13W Color: Black, White Bean warehouse weight: 25g Weight: 500g Features: FINE CERAMIC BURRS The electric coffee grinder adopts ceramic cone-shaped burrs, which are in close contact with the coffee beans during the grinding process, and the grinding is more even. The ceramic burr generates less heat during the grinding process, which can preserve the natural aroma and aroma of coffee to the greatest extent. USB CHARGINGThe espresso coffee grinder is equipped with a USB charging cable and a wireless electric grinder. Durable DC motor and reducer, one-button switch, automatic shutdown. You can easily grind a cup of high-quality coffee anytime, anywhere. SMALL ANDE PORTABLE This electric grinder is small in size and can be put in a travel bag or handbag. Built-in low-noise pure copper motor, uniform and stable speed, 1200mAh lithium battery, strong endurance, no matter at home, work, travel, hiking, camping, you can enjoy freshly ground coffee anytime, anywhere. STEPLESS GRINDING, FINE, FREE CONTROLThis portable coffee grinder, without gear limit, can provide different coffee lovers with the most suitable coffee thickness requirements, and is suitable for different coffee appliances. Coffee powder can be used for espresso, pouring, drip irrigation, chemex, percolator, cold brew, French press. EASY TO CLEAN This electric coffee machine can be disassembled as a whole, making cleaning more convenient. The equipped brush can simply clean the remaining coffee powder, or directly clean the grinding cavity and transparent tank with water. The material is ABS, S/S, safe and healthy.Note: The motor is forbidden to be washed with water. Package included: 1 x Electric Coffee Grinder 1 x Brush 1 x USB Cable Notice: 1. Please allow a small error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual colour of the item. 3. I wish you a wonderful online shopping!