Features: HERO Gaming Sensor Next-gen HERO mouse sensor delivers up to 10x the power efficiency over other gaming mice with exceptional accuracy and responsiveness thanks to 400 IPS precision and up to 12000 DPI sensitivity. LIGHTSPEED Wireless Ultra-fast LIGHTSPEED Wireless technology gives you a lag-free gaming experience. The G304 wireless gaming mouse delivers incredible responsiveness and reliability with a super-fast 1ms report rate for competition-level performance. Ultra-Long Battery Life The G304 wireless Logitech mouse boasts an incredible 250 hours Performance mode) of continuous gameplay on 1 AA battery (not included) so you can play at peak performance without worrying about running out of power. Lightweight Design Thanks to an efficient mechanical design, the G304 gaming mouse weighs in at only 99 grams for high manoeuvrability. CustomizeConfigure 6 programmable keys, stored in on-board memory, use the G HUB software to customize your custom key functions. Specification: Model: G304 Color: Black, White (Optional) Size: 116.6x62.15x38.2mm Weight: 99g Sensor: HERO Resolution: 200-12000 dpi IPS: 400IPS Report rate: Performance mode: 1000Hz (about 1 millisecond); Durability mode: 125Hz (about 8 ms) Power: 1 x AA battery (Not Included) Packing List: 1 x Wireless Mouse 1 x Nano Receiver 1 xReceiver Extension Cable 1 x User Manual