No price negotiations, and please refrain from comments. This is a brand new, unopened item. Please understand that I will not provide any support for issues such as inability to connect to a computer or use the product. Serial numbers are saved, so please refrain from swapping with broken products. Also, I will not provide any support for cases where the product cannot be used due to the connecting device. I will not provide any support under any circumstances. Wireless gaming mouse equipped with a high-precision HERO 25K sensor. - Model Name: G604 - Type: Wireless Gaming Mouse - Sensor: HERO 25K - Connection Method: LIGHTSPEED - Features: High precision, low latency Thank you for viewing.