Brand Name: LOGITECH Model No: K270 Category:Keyboard Product type:Wireless Software Support (at release):Set Point 6.2, Set Point 6.2 x64, Unifying Software (NOTE: Check website for the latest software release) OS Support (at release):Windows XP, Windows XP x64, Windows Vista, Windows Vista x64, Windows 7, Windows 7 x64 Battery Type and Size:Removable, 2xAAA Battery Life:2 Years **SPECIFICATIONS** GENERAL PRODUCT INFORMATION Category: Keyboard Product type: Wireless Wireless Protocol: Unifying Wireless Range: Up to 30 Feet or 10 Meters Software Support (at release): Set Point 6.2, Set Point 6.2 x64, Unifying Software (NOTE: Check website for the latest software release) OS Support (at release): Windows XP, Windows XP x64, Windows Vista, Windows Vista x64, Windows 7, Windows 7 x64 KEYBOARD SPECIFICATIONS USB VID_PID: N/A (Wireless) USB Protocol: N/A (Wireless) USB Speed: N/A (Wireless) Connector Type: N/A (Wireless) Indicator lights: Cap lock LCD Display: N/A Special keys: Num Lock key, CAP Lock key, Scroll Lock key Connect / Power: On/Off switch Battery Type and Size: Removable, 2xAAA Battery Life: 2 Years RECEIVER SPECIFICATIONS: USB VID_PID: 046D_C52B USB Protocol: USB 2.0 USB Speed: Full-speed Receiver Size: Nano Connector type: USB Connect button: N/A Indicator Lights: N/A Brand Logitech SKU LO618EL16K4MWNAFAMZ-54691 Model K270 (920-003057)