Tru-Form 3500 2.4GHz Wireless Ergonomic Trackball Keyboard TruForm Ergo Keybd
P/N: WKB-3500UB
Manufacturer: Adesso Inc.

The Adesso® Tru-Form Media™ 3500 2.4 GHz Wireless Ergonomic Trackball Keyboard is designed with a wireless range up to 30 feet and split key zones with a gently sloped shape optimized for natural positioning of hands, wrist, and forearms for maximum comfort and extended use. The keyboard also features an integrated trackball which can take the place of your mouse, making it easier to control the movement of the cursor. With multi-functional Hotkeys, you get quick access to your media controls, email, Internet browser and other common applications. The Adesso® Tru-Form Media™ 3500 is designed with membrane key switches that provide a quieter, faster response and stand up to long term usage.

Built-In Trackball with Universal Scroll Feature
This keyboard features an integrated trackball, to give you full cursor control and eliminate the need of a mouse. Access the universal scroll feature by pushing down on the trackball and simply moving it up and down for fast web browsing and page navigation.

2.4 GHz RF Wireless Technology
With 2.4GHz RF wireless technology you can enjoy working at any angle and at distance of up to 30 ft.

Ergonomic Design
The design of this keyboard with splitted key zones and gently sloped shape encourages natural position of hands, wrists, and forearm in maximum comfort for long use.

Integrated Sloped Palm Rest
Designed to keep your hands in the natural resting position, this not only relieves joint pain and improves posture, but has also been shown to relieve back pain and spinal discomfort..

Quiet Membrane Key Switches
Membrane key switches provide a better tactile response and a quieter typing experience. Plus they last up to five million keystrokes.

Multimedia & Windows Hotkeys
Control your media player with just one touch using the built-in Multimedia Hotkeys for easy access to your favorite video or music playlist. Easily complete your tasks swiftly with Windows hotkeys that let you quickly navigate your files and webpages.

Package Weight: 3lbs
Dimensional Shipping Weight: 5lbs

  • UPC: 783750005517
  • SKU: WKB3500UB
  • Brand: Adesso Inc.
  • MPN: WKB-3500UB
  • Product Type: Keyboard
  • Hot Keys: Next Track, Previous Track, Refresh, Search, Forward, Wake-up, B
  • Keys Layout: QWERTY
  • Localization: English (US)
  • Number of Keys: 105
  • Weight (Approximate): 2 lb
  • Pointing Device Type: Trackball
  • Product Line: Tru-Form
  • Brand Name: Adesso
  • Keyboard/Keypad Connectivity Technology: Wireless
  • Keyboard/Keypad Wireless Technology: RF
  • Keyswitch Technology: Membrane
  • Keyboard/Keypad Host Interface: USB
  • Keyboard/Keypad Height: 1.50
  • Keyboard/Keypad Width: 20.50
  • Keyboard/Keypad Depth: 9.30
Terms and Conditions

Domestic orders are shipped within 2 business days from payment processing. Please be aware that your order may be processed on the following business day after you check out.
All domestic shipping is via UPS or Fedex Ground service. Please contact us for Overnight and Second Day Air shipping before you place your order.
International buyers: You are purchasing a product designed for use in North America. The power and transmission requirements may be different then in your local country, please make sure to follow all applicable use and safety regulations.
Shipments for international export, PO Boxes, Puerto Rico, US protectorates, military addresses, and Canada require an additional 3-4 business days of processing time before shipment.


International and Postal Shipments:
  • Import duties, taxes and charges are not included in the item price or shipping charges. These charges are the recipient's responsibility.
  • Please check with your local customs office to determine what these additional costs will be prior to placing your order.
  • These charges are normally collected by the delivering freight (shipping) company or when you pick the item up. Please do not confuse them for additional shipping charges.
  • We do not mark merchandise values below value or mark items as "gifts" because US and International government regulations prohibit such behavior.
  • International orders are shipped via various air cargo carriers which are selected by our warehouse when your order is processed.
  • Shipments to PO boxes, military, and US addresses outside the contiguous 48 states may be sent via USPS.
  • Heavy or over-sized shipments may incur additional shipping charges or be rejected by the post office.
  • Not all addresses are serviced by our shippers, additional charges may be required for delivery to some locations.
  • Please contact us before placing your order if you require combined shipping for multiple items.

Returns, Refunds, and Cancellations
  • We stand by the items we sell and will issue a full refund including freight charges on any defective or ship damaged item.
  • Please inspect your item as soon as it arrives, we only accept reports of shipping damage within 14 days from delivery
  • We understand that our customers may change their mind after purchasing a product.
    We will accept returns on these orders, although the shipping charges and a restocking fee will be withheld from your refund.
  • All returns must be shipped to the appropriate facility for processing.
    Before returning a product, please contact us to receive return instructions.
  • Items must be returned within 30 days from purchase.
  • Refunds may take up to 21 days to be issued after your return is received.
  • When you complete your purchase, we are no longer able to change or cancel your order.
    The information you submit with your PayPal payment will be automatically processed.
    We cannot update your address, split shipments, combine shipments, or cancel your order.
    Please contact us with any special requests before ordering.

Contact Information

phone: 1-888-311-4455 (toll free)
phone: 1-440-602-7080 (local and international)
We are available m-f 11am-5pm EST

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Item description is automatically generated with information from manufacturer product catalogs and other content providers. Please excuse any image and typographical errors.