The Razer Viper V3 Pro, signed by Faker, boasts an ultra-lightweight 54g design and up to 95 hours of battery life. This item was gifted to me, but I'm selling it as I won't be using it. It is brand new and unopened. - Model: Razer Viper V3 Pro Faker Edition - Design: Red, with Faker's signature - Weight: Ultra-lightweight design at 54g - Battery Life: Up to 95 hours - Sensor: Razer Focus Pro 35K Optical Sensor Gen-2 - Switches: Razer Optical Mouse Switches Gen-3 - Wireless Technology: True 8000Hz Wireless Polling Rate Thank you for looking.