Cordless Optical Computer Mouse with Scroll Wheel Available in a Range of Bright Colours. Cordless Mouse Ideal for Use at Home, University & the Office with a Computer or Laptop. Perfect for Use with Our Cordless Keyboard, the Tpm5305 Keyboard Holder Tyrell! Requires 2 x Aaa Batteries (not Included). Colours: White, Black, Red, Yellow, Blue. Minimum Quantity: 25.