Portable Coffee Grinder: This portable coffee grinder allows you to grind coffee beans wherever you are, making it perfect for those who enjoy freshly ground coffee . Its intuitive design ensures easy use, so you can achieve a consistent, perfect grind with minimal effort. To keep it working well, don't fill the bean container more than 80%. If the battery is low, it takes 2 to 3 hours to recharge, so you can quickly get back to enjoying fresh coffee. Cordless Coffee Grinder: Crafted from premium PCthis high quality burr coffee grinder handles the toughest coffee beans with ease. Its -engineered burrs a consistent grind, enhancing the extraction of essential oils and flavors. Rechargeable Coffee Grinder: No complicated settings. This machine features ;a smart touch button. it to grinding, and it stops automatically when the desired amount is done. It also has an LED battery level indicator to show how much power is left. When fully , it can grind coffee about 25 times. Rechargeable Coffee Grinder: You 't have to worry about searching for a power outlet with this grinding machine. It's designed to be rechargeable, so you can power it up without needing to plug it in. The cordless feature adds a layer of convenience, allowing you to use the grinder anywhere without being tethered to a specific spot. Product specification Rated voltage/power 3.7V Input voltage/power 5V Operating noise Less than 75dB Color: Black Material: PC+Ceramic Package Contents: 1 * Coffee Grinder 1 * charging cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.