Logitech G305 LIGHTSPEED Wireless Optical 6 Programmable Button Gaming Mouse with 12,000 DPI HERO Sensor Black 910-005280 - Best Buy
Edota® MS-D1 Ultra Slim Rechargeable Li-Battery 2.4 GHz Optical Wireless Mouse for Computer and PC, Switchable DPI 800/1000/1400, 4 Buttons with Nano USB Receiver (Pink) : Amazon.co.uk: PC & Video Games