Brand New Boxed Customised mouse with Crystals Design By Our designer; This High-Quality hand made Product Has Been Embellished Using High-Quality Crystals to Give This Item Sparkle And Shine; Mouse technology detail: Soundless clicks and Super smooth wheel with High precision 1600 dpi, Optical technology with the top class chip and Nano receiver (USB). 360 degrees at 10 meters wireless transmission. Ergonomic and elegant appearance and outstanding design. For Windows and Mac OS system. Battery required.