Bluetooth numeric keypad is constructed of solid, premium materials for long-lasting use. Its ergonomic tilt ensures comfortable typing and a sleek, slim appearance. It pairs seamlessly with Mac, MacBook Pro, Windows PCs, laptops, and desktops as an external numeric keypad. The Bluetooth wireless keypad is rechargeable—no battery replacement needed—and features an auto-sleep function to reduce power consumption, enhancing energy efficiency and user convenience. It includes dedicated shortcut keys and low-profile, quiet scissor-switch keys for comfortable, quiet typing. Compatible with macOS, Windows, Android, and various tablets and desktop/laptop computers. Power Supply: 1 x CR2032 button cell (3V) — batteries not included. Color: Black. Material: Plastic. Package Includes: 1 x Bluetooth numeric keypad only. Other accessories are not included. Note: Color may vary slightly due to screen settings and lighting conditions. Measurement tolerance: ±1–3 cm.