Adesso Tru-Form 3500 - 2.4 GHz Wireless Ergonomic Trackball Keyboard

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Tru-Form 3500 - 2.4 GHz Wireless Ergonomic Trackball Keyboard
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Wireless Technology Works up to 30 feet of wireless distance. Operates on 12 different channels, each with 65,536 different IDs. Desktop full size Full size keyboard provides better typing experience. Ergonomic Contour Design Minimizes forearm muscles from twisting and pains from Carpal Tunnel Syndrome. Split Key Design Encourages natural position of hands, wrists and forearms for maximum comfort. Integrated Palm Rest Keeps your wrists in the most comfortable position. Built-in Trackball with Optical Sensor Tracks accurately and precisely with less muscle movement for maximum comfort. Multi-Media Hotkeys Provide ease of access to some of the most used functions. Membrane Switch 5 Million keystroke lifecycle for a quiet and fast typing experience. Auto Sleep and Power On/Off Switch Maximizes your battery life up to 6 months. Wireless Receiver Small and convenient to plug into to your laptop or tablet.


  • Recommended usage Universal
  • Device interface RF Wireless
  • Keyboard key switch Membrane
  • Keyboard layout QWERTY
  • Keyboard language US English
  • Pointing device Trackball + mouse buttons
  • Keyboard form factor Full-size (100%)
  • Numeric keypad Y
  • Keyboard number of keys 105
  • Keyboard keys operating life 5 million characters
  • Windows keys Y
  • Hot keys Y
  • Number of hot keys 20
  • Multimedia keys Y
  • Connectivity technology Wireless
  • Purpose Universal
  • Frequency band 2.4 GHz
  • Split keyboard Y
  • Certification FCC, CE, WERC, IC
  • Country of origin China
  • Backlight N
  • Product colour Black
  • Keyboard style Curved
  • Ergonomic design Y
  • Wrist rest Y
  • Surface coloration Monochromatic
  • LED indicators Y
  • Wireless range 10 m
  • Power source type Battery
  • Keyboard battery type AAA
  • Number of batteries (keyboard) 2
  • Mouse included N
  • Movement resolution 1000 DPI
  • Windows operating systems supported Windows 10, Windows 2000, Windows 7, Windows 8, Windows Vista, Windows XP
  • Sustainability certificates RoHS
  • Keyboard dimensions (WxDxH) 521 x 235 x 38 mm
  • Keyboard weight 844 g
  • Number of products included 1 pc(s)
  • Receiver included Y
  • Wireless receiver interface USB Type-A
  • Receiver type Micro receiver
  • Batteries included Y
  • Package width 533.4 mm
  • Package depth 254 mm
  • Package height 50.8 mm
  • Package weight 1.47 kg
  • Package type Box
  • Harmonized System (HS) code 84716060
  • Products per master (outer) case 10 pc(s)
  • Channels quantity 12 channels
  • Warranty Info Adesso provides a one year limited warranty for all of its products against defects in material and workmanship. During this period, Adesso will repair or replace any product which proves to be defective. However, Adesso will not warranty any product which has been subject to improper freight handling, shipping abuse, neglect, improper installation or unauthorized repair. The warranty will not cover products installed with components not approved by Adesso and products where the sealed assembly trace has been broken. If you discover a defect, Adesso will, at its option, repair or replace the product at no charge to you provided you return it during the warranty period with freight charges pre-paid to Adesso. Before returning any product, you must obtain a Return Merchandise Authorization number (RMA). This RMA # must be clearly marked on the outside of the package you are returning for warranty service. Be certain to also include your name, shipping address (no PO Boxes), telephone number, and a copy of the invoice showing proof of purchase in the package.


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