Cordless Optical Computer Mouse with Scroll Wheel Available in Range of Bright Colours. Cordless Mouse Ideal for Use at Home, University & the Office with 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: 50.