1DURABLE MATERIAL: The coffee bean grinder is made of acrylic material, which is healthy and durable and can be used with confidence 2COMFORTABLE BOTTLE BODY: The coffee bean grinder adopts curved design, which is comfortable to hold and easy to grind 3SIMPLE OPERATION: Just press a button, you can use one hand to operate and enjoy the happy coffee making process 4CONVENIENT and PRACTICAL: The coffee bean grinder has enough capacity to grind several times at a time, immediately grind and use, the taste is better 5IDEAL GIFT: A holi gift for coffee lovers and an ideal gift for parents, partners and friends, letting them enjoy the fun of grinding coffee beans and making their own coffee Item Type:Coffee Bean Grinder Material: Acrylic Capacity: 120ML Voltage: 3.7V Power: 13W Battery Type: Built in Lithium Ion Battery Battery Model: 18650 Battery Capacity: 1250mah Weight: Approx. 485g/17.1oz 1 x Charging Cable 1 x Brush 1 x User Manual 1 x CoffeeBeanGrinder with Built in Lithium Battery1. Wipe the Outside of the Grinder with a Wet Towel. Do Not Put the Upper Core in Water2. When the Product is Working Continuously, It Needs to Be Started Intermittently After 30 Minutes After Completing a Grinding Cycle