Sweet Tip:dear friend,Due to the strict customs inspection on products with batteries, we will remove the batteries from the package.we want your parcel to pass the customs check fast,hope you know about it!my friendRecently we received some product report from our customer.it's about when Logitech G304 Mouse connect with Logitech HUB,show up product name is Logitech G305. this is a normal phenomenon.China market product name is Logitech G304,some of countries product name are Logitech G305.they are the same products,it's ,hope you know about it! thanksTrackingTrackingSensor: HERO™ Resolution: 200 – 12,000 DPI Zero smoothing/acceleration/filtering Max. acceleration: > 40 G5Max. speed: > 400 IPSResponsivenessWireless report rate: 1000 Hz (1ms) Wireless technology: LIGHTSPEED Wireless Microprocessor: 32-bit ARMDurabilityPTFE Feet: 250-km rangeBattery Life250 hoursOther featuresOnboard memory: 1 profile Mechanical Button Tensioning System RequirementsWindows® 7 or later macOS® 10.11 or later Chrome OSTM USB port Internet access for Logitech G HUB (optional)HERO SensorHERO is a revolutionary new optical sensor designed by Logitech G to deliver class-leading performance and up to 10 times the power efficiency (compared to previous gen). HERO sensor delivers exceptionally accurate and consistent performance with zero smoothing, filtering or acceleration from 200 to 12,000 DPI. G304 can save up to 5 profiles with up to 5 DPI levels each on the onboard memory.Mechanical Button TensioningMechanical button tensioning with separated buttons enhances the consistency of the left and right primary mouse buttons and helps reduce the force needed to click. This results in crisp, reliable button performance you can depend on in even the most intense gaming sessions.LIGHTSPEED WirelessThrough end-to-end engineering and design, Logitech G developed a robust wireless solution to solve the fundamental probl of latency, stability, and connectivity. The end result is LIGHTSPEED, a pro-grade wireless solution that achieves wired-like performance. 1 ms Wireless AchievedLogitech G engineers worked through a complete technology optimization from sensor to firmware, circuitry to antenna design. Our experienced team tested and refined each component, focusing on the slowest link, until nothing was slow.Ultra-Long Battery LifeHERO sensor and LIGHTSPEED wireless deliver extreme efficiency to let you game for months. It delivers up to 250 hours run-to-die on just one AA battery. It can be adjusted to last up to 9 months of typical use in Endurance mode, which can be selected via Logitech G HUB.Tested on Logitech G240 Gaming Mouse Pad Logitech G HUB, as well as the indicator light on G304, will notify you when 15% of battery remains.Ultra-LightweightAt Logitech G, a wireless gaming mouse doesn’t need to be heavy. G304 is very light, coming in at only 99 grams, made possible thanks to the lightweight mechanical design and ultra-efficient battery usage.6 Programmable ButtonsG304 primary switches, both left and right, are rated for 10 million clicks. G304 also has middle click, DPI button and two side buttons that can be programmed to your preferences using Logitech G HUB.Play AnywhereThe durable, lightweight design with a small footprint and built-in USB nano receiver storage make G304 a great travel companion. a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a