Ultra-slim design wireless mouse with strong anti-interference capabilities. - Model: Wireless Mouse - Design: Ultra-slim design - Features: Strong anti-interference capabilities - Scroll Function: 4-way scrolling - Color: Black Thank you for viewing. Includes a receiver storage space, uses 2 AAA batteries. I bought this to use on the go, but I haven't had much opportunity to use it, so if you're interested, please take a look. If you are looking for a thin mouse, please consider this one. Experience the thinness. I used to have a Microsoft wireless mouse, which felt quite bulky, but this one looks cool even on the train or in the car. The receiver can be stored in the mouse.