Electric Coffee Grinder Black Electric Coffee Grinder for Business Travel Camping Home Feature:1. USB Charging: This electric coffee grinder is charged by USB with a voltage of 3.7V and a power of 13W.2. Uniform grinding: Slow grinding produces less heat than blade grinders. Not only does it grind more evenly, but it also preserves the oil, aroma, and flavor of the coffee bean.3. Simple operation: Simple to use, the coffee grinder grinds easily, so you can get perfectly ground coffee beans in minutes.4. Suitable Stage: Wide range of applications, suitable for home, camping, hiking, travel and business trip.5. High-Quality Materials: Made of high-quality ABS, this coffee grinder is sturdy, durable, and has a long service life. Specification:Item Type: Electric Coffee GrinderMaterial: ABS Battery Capacity: 1250mAh Battery Type: Lithium Battery (Comes with Built-in Battery)Battery Model: 18650Voltage: 3.7VMocciation: 13WMuth Charging Mode: USBDeagh: Approx. 493g/17.4ozPackage List:1 x Electric Coffee Grinder1 x USB Data Cable1 x Cleaning Brush1 x English User Manual Usage:1. Turn the ON2 switch. Add the right amount of coffee beans3. Tap to power on4. Pour out the ground coffee