Logitech G603 LIGHT SPEED wireless gaming mouse, wireless Bluetooth and 2.4GHz connection with Unifying USB receiver, HERO 12000 DPI sensor, six programmable buttons, PC / Mac - German Packaging: Amazon.de: PC & Video Games
Logitech G603 Lightspeed Wireless Gaming Mouse : Logitech G603/G613 wireless gaming mouse and keyboard review: Is it possible to game without wires? - HardwareZone.com.sg