The Pro Wireless by Logitech uses an Optical sensor, specifically the Hero, providing a DPI/CPI range of 100 - 16,000 DPI. This results in a tracking speed of 400+IPS, and a maximum acceleration of 40+G. It uses a USB / Wireless connection with a 1.8m cable. The Pro Wireless is considered to be an ambidextrous mouse. It weighs in at 80g without the cable and is approximately 125 x 63.5 x 40 mm (LxWxH).
SENSEI
The SENSEI by Steelseries uses a Laser sensor from Avago, specifically the ADNS-A9500, providing a DPI/CPI range of 1 to 5,700 CPI. This is combined with a 32 bit ARM. This results in a tracking speed of 150ips, and a maximum acceleration of 30G. It uses a USB connection with a 2m, braided cable. The SENSEI is considered to be an ambidextrous mouse. It weighs in at 102 grams with the cable and is approximately 125.5 x 68.3 x 38.7 mm (LxWxH).
