Trust it like a wired mouse! Ultra-long Battery Life: Use the LGS to switch between high performance and endurance mode, respectively deliver Max 250 hours and 9 months using span. Gaming-grade Performance:As revolutionary optical sensor, HERO sensor support Max 12000 DPI and adjustable, 1 millisecond report rate,capture every faint move and respond instantly. 6 Programable Buttons: Allows you to assign simple macro or multi-command macro with optional Logitech Gaming Software, find best DPI and create your unique command, go on the rampage in your game. Comfortable Using : Only 99g, as one of the lightest wireless gaming mouse, G305/G304 equipped with Mechanical Button Tensioning, provide responsive click and reduce the force needed, eliminate fatigue during intense gameplay. Play Outside With your Favorite Setting: 1 x On-board memory allows you to save your best profile of DPI, light effect, play in another PC without any setup. Integrated nano USB storage makes G305/G304 super portable, just toss it into your bag or briefcase. Battery Status Indicator: When the capacity is less than 15%, it will turn red to warn you to use a new AA battery, you can see realtime battery status in LGS. Super Durability: Withstand up to 10 million keystrokes and 250Km feet of travel, accompany you on battleground for a long time. Use the optional Logitech Gaming Software to make best commands to your favorite games. PLEASE NOTE: G305 & G304 is the same item named in different region. PLEASE NOTE: G305/G304 supports rechargeable 1.5V Lithium battery, but you may can not see the battery status in LGS. Realtime battery status is only supported when using normal alkaline AA battery. Specification: Powered by 1 x AA Battery (Included) Practical battery life may vary based on user and computing High Performance Mode: Max 250 Hours Endurance Mode: Max 9 Months Sensor: HERO sensor Wireless Technology: LIGHTSPEED Wireless Onboard Memory: 1 profile DPI: 200-12000 DPI Adjustable Report Rate: 1000 Hz (1 ms) Microprocessor: 32-bit ARM Size: 116 x 62 x 38 mm Weight: 99g Buttons: 6 Programmable Buttons Durability of Buttons: 10 million Clicks Durability of Feet: 250 Km System Requirement: Windows 7 or later macOS 10.11 or later Chrome OSTM USB port Internet access for Logitech Gaming Software (optional) Package Contents: 1 x Logitech G305/G304 1 x AA battery 1 x LIGHTSPEED Nano USB Receiver 1 x USB Extended Cable 1 x User documentation