Type: Numeric Keypad 1. 21-key mechanical numeric keypad with brown switches, offering quiet operation compared to other mechanical switches, suitable for both office use and gaming 2. Stand-alone chip device designed for easy control and noninterference with the main keyboard 3. Hot-swappable functionality - Use FN + ESC to enable computing mode, FN + TAB, FN + Backspace, FN + NUM, FN + /, FN + X for euro symbol, FN + - 4. Applications - Ideal for laptop users, especially in banking, financial securities, and business environments. Compatible with 87-key, 82-key, 68-key, 61-key, and other keyboards lacking a numeric section Product Details: Switch: Blue Actuation Force: 50 +/- 15cN Rating: 5V, 300mA Keys: 21 Data Cable Length: 150cm Product Weight: 208g Color: White Material: Plastic Size: Approximately 12.3 x 8.2 x 4.2cm Package Contents: 1 x Numeric Keypad Note: Only the above items are included. Light and display differences may cause slight color variations between the image and actual item. Measurement error allowed is +/- 1-3cm.