Signature M550 EM01 NL Wireless Ergonomic Trackball Mouse — Bluetooth Rollerball Thumb, Rechargeable, Adjustable Angle, 3-Device Connection for PC/Mac/Windows — Gray Ball

Signature M550 (EM01 NL) is a wireless ergonomic trackball built for small-to-medium sized hands, providing a snug fit and long-wear comfort. Its contoured body, soft thumb area and rubber side grips keep your hand stable during extended use, while the thumb rollerball delivers precise cursor control. The mouse supports three-device connectivity and can pair instantly via Bluetooth Low Energy or the Logi Bolt USB receiver for PC, Mac and Windows systems. It’s rechargeable and offers an adjustable angle to suit your preferred hand position. Quiet operation helps reduce distractions at home or in the office: Signature M550 provides 90 percent less click noise thanks to SilentTouch technology.* Color: Gray Ball.