- Connection Type: Logitech non-unifying protocol (2.4GHz) with Nano USB receiver - Wireless Range: 10 meters / 33 feet - Wireless encryption: 128-bit Advanced Encryption Standard (AES) between devices and receiver - Software Support: Logitech SetPoint KEYBOARD - Low-profile keys - Adjustable keyboard height - Battery: 2× AAA - Battery Life (not rechargeable): 36 months - Special Keys: 15 function keys accessible through "fn" key MOUSE - Connect/Power: On/Off power button - Sensor technology: Advanced optical tracking - Battery: 1× AA - Battery Life (not rechargeable): 12 months