Main Features: - Feature with ergonomic design for more comfortable and ease operation- Constructed with six programmable keys, you can switch any key fluently to meet your need in first time- Adopting inner high quality sensor to provide you with more accurate using and operation- Over-body completely illuminates with respiring color option LED light - Basic setting ( custom settings are supported in drop-down list of each button ), advanced setting ( the macro editing is supported and the macro catalog can be added or deleted ) and breathing setting ( long light, light-off and change of DPI defined light are supported ) is available- Four adjustable DPI ( 1200 / 1600 / 2400 / 3200 ), good for your timely reflection- Special and raised integrated design, skid resistant and durable- Support coding - Support mouse macro express- Easy to use and you just need to plug and play- Perfect mouse is suitable for all kinds of games Specification: - Product model: H400- Switch life: 10 million cycle - DPI: 1200 / 1600 / 2400 / 3200 - Size: 128 x 65 x 39mm- Cable length: 140cm Note: - If you want to turn off the breathing light, press and hold the side key ( forward or back key ), and then press the DPI button, so that you can turn it off and adopting the same way to turn it on.- The installation and setting can be started when you insert the driver CD and the mouse is successfully connected and in normal use. Type: Wired 0.213 Package weight: 0.248 kg Package Size(L x W x H): 16.00 x 12.00 x 4.50 cm / 6.3 x 4.72 x 1.77 inches Package Contents: 1 x Gaming Mouse, 1 x Manual ( English and Chinese ), 1 x CD