The Mamba 2015 by Razer uses a Laser sensor from Philips, providing a DPI/CPI range of 16,000 dpi. This results in a tracking speed of 210 ips, and a maximum acceleration of 50 g. It uses a USB, Wireless connection with a 2.1 m cable. It weighs in at 125 g grams with the cable and is approximately 128 x 70 x 42.5 mm (LxWxH).
Engineered with industry leading gaming grade wired/wireless technology, the Razer Mamba gives you completely unrestricted movement without compromising on control or accuracy. Wired or wireless, the Razer Mamba delivers a response rate of 1 ms, allowing you to enjoy peak performance at virtually zero latency. Furthermore, you can still use the Razer Mamba while it's charging, so you never have to deal with downtime even during the longest gaming marathons.