Premium Silent Switches Bluetooth + 2.4GHz Wireless Connection 54 Grams Lightweight Design Built-In Premium Grip Full Ambidextrous Shape (Left + Right Hand Support) On-the-Go Portable Design SILENT MOUSE SWITCHES: W190 is built with Silent Switches to ensure all-day use in an office or home environment. Maximize your productivity without distracting others! Minimize the “click” sound, while retaining a proper amount of feedback. STABLE DUAL MODE BLUETOOTH + 2.4GHZ: Supports both Bluetooth & 2.4GHz wireless, and is designed to be easy to bring with you on-the-go! Able to be connected to two devices at the same time, you can change your input on-the-fly! Ergonomic & Ambidextrous: Designed with a fully ergonomic & ambidextrous shape, allowing for it to be used comfortably in the left and right hands! Perfect for left-handed users, as well as right-handed users.