【Excellent Condition】 Ultra-small Wireless Mouse Bluetooth Ultra-thin, Silent, Rechargeable, 3-button Wireless Portable Mobile Mouse, Pocket Mouse Mini Mouse, Compact, Matchbox Size With Cover, Gunmetal It functions adequately as a mouse, but it might be inconvenient if you scroll a lot. As someone who is used to trackballs, I felt that it would take some getting used to. Portability is amazing. If you're interested, please check it out! I've disposed of the box and warranty. I purchased it recently and have only used it a few times. I will ship it wrapped in packing material. Power Source... Rechargeable