Logitech G604 LIGHTSPEED Wireless Gaming Mouse, HERO 25K Sensor, 25,600 DPI, 15 Programmable Controls, Up to 240-Hour Battery Life, Dual Wireless Connectivity Modes, PC/Mac - Black : Amazon.co.uk: PC & Video Games
Pro Gear - Logitech G604 LIGHTSPEED WIRELESS GAMING MOUSE - $100.00 - 15 programmable controls: include 6 thumb buttons; fully programmable with G hub software - DUAL CONNECTIVITY: Toggle between convenient Bluetooth