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Review: Rii Mini K12 Ultra Slim Wireless Keyboard With Touchpad


The K12 Ultra Slim Wireless Keyboard with touchpad brings surprising range and battery life. From a keyboard that is thinner than my pinky finger you would expect a issue with range and battery life but the K12 surpasses expectations on both.

If you are looking for a full keyboard with a built in touchpad that is slim/stylish this is the keyboard for you. Often the mini keyboards are designed with a smart phone style thumb typing but the K12 brings the keys to your finger tips.

Design: The K12 gets a 10 out of 10 for style. With a very attractive brush steel backing and slink black keys make this keyboard perfect for your coffee table. The size of the keyboard is similar to some smaller Netbooks not full size but a huge step up from most hand held keyboards.  When holding the keyboard in two hands your thumbs land perfectly on the touchpad for easy of use.

There is a small strip on the back of the keyboard that contains the battery. When laying on a tab the strip on the back of the keyboard angles for easy typing. Clearly very well thought through design for functionality.

The keys have a great feel to them for a mini keyboard. A solid clicking feel and audio sound when typing. The keyboard is not one you would want to use full time to write with but as a keyboard for your media center or a traveling keyboard it is perfect.

Specifications:
Receiver (dongle): Nano style
Connect port: With USB2.0 above
RF mode: 2.4Ghz GFSK
Transmission distance: Up to 10 meters
Transmission Power: Less than +4db
Power supply: Rechargeable 450mAh polymer Lithium-ion battery
Charging voltage: 4.4V ~ 5.25V
Charging current: 300mA
Sleeping Current: 86uA
Operation Voltage: 3.3V
Product weight: 210g
Product Size: 260*83*13.5mm

Our experience using the K12:

I used the K12 as my primary keyboard for the laptop/media center for a few days to test it out. The battery held up great and I did not need to recharge it during testing. The auto shut off greatly extending the battery power and I turned it off at night.

The range in our testing was almost 60ft with line of sight. (The specs says up to 30 feet.) At 30 feet we noticed no issues reaching the laptop located behind a couch and heavy TV stand.

To my eye there was no lag between clicking a key and the action on the screen. The was also no issue syncing the function keys like volume and pause/play. We just plugged the keyboard in and it worked.

The bush metal backing makes this keyboard much more durable feeling traditional plastic keyboards. Small drops seam to have no effect on the keyboard.

We give the K12 Wireless Mini Keyboard a 10 out of 10.

You can find the K12 on Amazon here: 

  • I may have found a solution to the problems I was having. But since my previous comment doesn’t appear to be here any more, I guess I’ll wait and see if comments are really allowed (?)

    • Admin

      Your past comment must have been caught by our spam system what was the issue?