LOGITECH M171 Wireless Mouse (Red) 3.5-inch Sensitivity (microphone): -17 dBV/Pa +/-

Sensitivity (microphone): -17 dBV/Pa +/- 4 dB

Up to 5 million keystrokes (excludes number lock key)

Standard input capacity (envelopes)

WiFi Reception Sensitivity: 270M: -68dBm@10% PER

WEP 64/128 bit

LOGITECH M171 Wireless Mouse (Red) 3.5-inch Sensitivity (microphone): -17 dBV/Pa +/-SPECIFICATION Mouse Height: 97. 7 mm Width: 61. 5 mm Depth: 35. 2 mm Weight (with batteries): 70. 5 g USB Receiver Height: 23. 1 mm Width: 18. 7 mm Depth: 6. 6 mm Weight: 1. 8 g Sensor Technology Smooth optical tracking DPI (Min Max): 1000 Number of Buttons 3 (Left Right click, Middle click) Customization app Supported by Logi Options+ on Windows and macOS Scrolling Line by line scrolling Scroll Wheel: Yes, 2D, optical Battery 12 months Battery Detail