TRUFORM(R) 3500 Wireless Ergonomic Keyboard with Integrated Trackball

2.4 GHz wireless technology works up to 30 ft. (10 m); 105-key US layout full size keyboard with 20 hotkeys; Ergonomic contour-design keyboard with a split key design minimizes forearm muscles from twisting and pains from carpal tunnel syndrome; Encourages natural position of hands, wrists, and forearms for maximum comfort; Integrated palm rest keeps wrists in the most comfortable position ; 5-million keystroke life cycle membrane switch; Built-in trackball with optical sensor; Auto sleep and power on/off switch maximizes battery life up to 6 months; Available USB port required for wireless USB receiver; For Windows(R) 10/8/7/Vista/XP; Includes keyboard, USB receiver, 2 AAA batteries, and quick-start guide
Warranty: One Year
Country of Origin: China