Description: Removable battery: easy to use, 4 AAA batteries can be installed without batteries, USB can be used, more powerful functions Two power supply methods: battery or USB cable connected to the power adapter, more convenient Efficient heat dissipation: high-quality body, efficient heat dissipation, no need to worry about overheating. Excellent design makes it extremely quiet, smooth, and low-vibration for foot skin care Quartz frozen grinding head: powerful grinding head, quick callus removal, gentle peeling, easy and convenient without hurting the feet Two kinds of grinding heads are interchangeable: the coarse grinding head is suitable for old and cracked heel skin. Daily care for fine grinding heads Removable grinding head: The grinding head can be removed immediately after use. Effectively solve the problem of dandruff residue and protect your health Package includes:1 x electric foot grinder (this product does not contain batteries) Note:1. Please allow a little error due to manual measurement. Please make sure you don't mind before bidding.2. Color may vary due to different monitors, please understand. Note:Hello, please pay attention to your delivery address when purchasing products. If your delivery information (such as name, street, house number, doorbell/mailbox without name, etc.) is incorrect, the order will not be delivered correctly.)