Cordless coffee grinder with ceramic conical burrs for even bean grinding that preserves the aroma. The device features external grind size adjustment, so you can quickly and easily adapt it to different brewing methods. It runs on a rechargeable battery (Li-Ion 2000 mAh) with USB-C charging, so you can use it on the go without needing a power outlet. The clear window lets you monitor the amount of beans and the grinding process, and the compact size makes storage easy. Details: