Bluetooth is not supported. Used for about a year from 2022-2023. MUS-TRLF224W [Q Series] Small Wireless Silent 5-Button Laser Trackball for Thumb / White Pocket-sized small 5-button trackball for thumb. All buttons are silent. You can concentrate on your work without worrying about your surroundings even when you are out and about. The 34mm ball and button layout are designed to be easy to use even though it is small. The sensor is laser-based. The support ball that supports the ball is durable ceramic. Equipped with automatic speed adjustment (ASC) function that automatically adjusts the pointer speed. "Forward/Back" buttons for comfortable web operation. Compatible with [Digio2 Mouse Setting] (Windows and Mac only) which allows you to customize the "wheel, forward, and back" buttons. The receiver can be stored in the main unit. Convenient for carrying around.