Features: Designed Fit Construction: Specifically intended for HyperSpeed mouse battery compartments, ensuring proper placement to prevent loosening or detachment. Ideal for users who frequently change batteries, providing secure positioning every time. Lightweight & Strong Build: Made from sturdy plastic, combining light properties with toughness. Adds little weight to the mouse while ensuring long service life, great for extended computer use or competitive play. Easy Setup: Features simple installation that requires denial extra tools, allowing quick replacement in seconds. Saves time and effort, making it convenient for busy work settings or fast gaming situations. Sustainable substance option: Built from mindful plastic, protecting both your device and surroundings. Designed for users who value responsible consumption and thoughtful living. Dependable Use: Provides consistent function even during intense use, preventing battery compartment issues that might affect mouse responsiveness. Particularly useful for esports players and users needing accuracy and smooth control. Specifications: Materials: Plastic for HyperSpeed Package Includes: 1PC Mouse Battery Compartment Cover note: Please allow 0-1cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the picture may not reflect the actual of the item. Thank you!