The ergonomic keyboard and mouse set can be connected wirelessly using a nano-USB dongle with a 2.4 GHz wireless signal. The right-handed mouse with rubberised thumb rest encourages a natural hand position and can be operated almost silently. With the flat keyboard you can type precisely, comfortably and also very quietly using our very own CHERRY SX scissor mechanism. Other highlights: - Whisper-quiet: Keystroke and mouse buttons - Ergonomic right-hand mouse with 6 buttons and scroll wheel - Mouse in trendy Varanoi look - 4-level adjustable mouse sensor with up to 4000 dpi - High-quality metal mouse wheel ensures a pleasant feel and precise scrolling - Keyboard rubber feet for slip resistance - Keyboard and mouse with AES-128 encryption Battery life up to 36 months (keyboard: 36 months, mouse: 16 months) - Status LEDs show low residual battery charge and mouse resolution - Keyboard with integrated status LEDs for the CAPS LOCK, NUM and SCROLL keys - Keyboard with 10 office & multimedia keys - GS approval (full-size layout)