Quick Thoughts: Xtrfy M4 Wireless (Xtrfy get wireless right + customization) - YouTube
Xtrfy M4 Wireless Mouse Review
RS4 v2(Xtrfy M4 Wireless mod) : r/MouseReview
Amazon.com: Pulsar Gaming Gears Superglide - Fastest and Smoothest Mouse Feet/Skates Made with Ultra Strong Flawless Glass Super Fast Smooth and Durable Sole for Xtrfy M4 Wireless : Video Games
Xtrfy M4 Wireless RGB Gaming Mouse - Black - us.MaxGaming.com
Xtrfy - A quick and easy way to check the battery status on the M4 Wireless: Press and hold the side buttons + left click. Updated manual: https://bit.ly/m4-wireless-qsg A video covering all