Logitech ERGO M575 Wireless Trackball Mouse - Easy thumb control, precision and smooth tracking, ergonomic comfort design, for Windows, PC and Mac with Bluetooth and USB capabilities (Black) Handsets It also has pass-through port

It also has pass-through port for the headphone jack input

FLEXIBLE CONNECTIVITY: The VX2476-SMHD supports laptops

SMART support

Hideaway cable design stores attached cable during travel

Logitech ERGO M575 Wireless Trackball Mouse - Easy thumb control, precision and smooth tracking, ergonomic comfort design, for Windows, PC and Mac with Bluetooth and USB capabilities (Black) Handsets It also has pass-through portLogitech ERGO M575 Wireless Trackball Mouse Easy thumb control, precision and smooth tracking, ergonomic comfort design, for Windows, PC and Mac with Bluetooth and USB capabilities (Black) Meet ERGO M575 a wireless trackball with incredibly easy thumb control. This is the newest addition to the Logitech Ergo series that promotes increased comfort, lower muscle strain, and improved, more natural posture. Forget about sliding around a mouse or moving