Features: Elevates your gaming precisions with the for G603 Mouse Side Button Board featuring programmable buttons for a tailored experience. Ergonomically for comfort, this side keys button board boasts precise control ensuring accurate during intense gameplay. For professional gamers and designers, the for G603 offers seamlessly performances to those demanding quick and customizable button access. Perfectly for eSports competitions and intricate design software tasks, the for G603 side key button board enhances functionality where frequent side button use is essential. This Mouse Side Button board for long reliability in every use. Specifications: Item：Side Keys Board Button PCB Mouse Mainboard For G603 Microswitch Board Black Button Size about: 0.86cm/0.34in Package Includes: 1PC Side Keys Board note: Due to the problems of lighting effect there will be certain tolerances in the product, please understand. Please allow 1cm errors due to manual measurement.