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【Dual Mode】Bluetooth & RF 2.4GHz modes.turn on the keyboard,press the “Mode”button ,you can switch the keyboard wireless connection mode easily between bluetooth and RF 2.4Ghz mode.
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【2-Colors Backlight】Wireless 2-Colors Backlight keyboard in Blue and Green colors for a darkness input,please note that this keyboard have not red color .
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【System Compatibility】this wireless backlit keyboard with bluetooth and RF 2.4Ghz mode could work with Android TV BOX ,Tablets,Smart TV ,PC ,Android ,Windows ,Mac OS(some media function could not work on Mac OS),
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【Big Trackpad】First big size trackpad with sensetive Multi-point function Touch keyboard ,Zoom in /out with two fingers.
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【Multi-Media Functions】Green colors Multi Media buttons as shortcut keys ,wireless connection keyboard.Please note that the Samsung newest smart TV doesn’t support all the functions of the standard keyboard and mouse.
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【Warranty Term】12-month warranty .Any problem during use ,send message to support team to help you solve the problems






Dual mode 2.4G and BT four indicators
Four indicators(from left to right)
press the “Mode”button ,you can switch the keyboard wireless connection mode easily between bluetooth and RF 2.4Ghz mode.
1.2.4Ghz RF Mode
2.Bluetooth Mode
3.Caps Lock
4.Charge

USB Extension cable and USB Receiver
Location of the USB Extension cable and USB Receiver
USB Receiver Location The USB Receiver locates the back bottom . Open the back case ,you will find the USB receiver and the Recharge Cable together.

Features 2 in 1 2.4GHz Multi function multimedia 83 keys wireless keyboard with touchpad combo. Rii RT518S Dual-mode Bluetooth & 2.4GHz RF Keyboard ,with two connection methods .Before connection ,you could read the manual and Quick Guide,turn on the keyboard ,press the “Mode” button ,to switch the bluetooth or RF 2.4GHz mode .
2-Colors Backlight Control 1.The Bulb button at the rigth bottom side as the Backlight control button 2. Backlight colors: Green,Blue.
Trackpad Operation 1.Single finger click: Left Mouse 2.Two fingles click: Right Mouse 3.Two fingles slide up and down :Scroll ;
Rechargeable Wireless Keyboard Built-in Rechargeable keyboard .Once recharge last about 2 weeks.
Repair Method Bluetooth installation: 1.Turn on the keyboard,press the “FN+F1” keys ,to switch into the keyboard bluetooth mode ,then press the “Mode” key,and the Bluetooth indicator will be flickering. 2.To pair with your device ,open the bluetooth function on your device ,select K18S keyboard click on the connection.then “K18S keyboard” will appear in the paired devices,the Bluetooth indicator will be ON ,it means the keyboard has paired with your device ,then you can use the keyboard ,you can switch the wireless connection mode easily between 2.4G and Bluetooth by pressing the 2.4G or Bluetooth key .
2.4G installation 1.Open the cover ,take out the receiver from the battery compartment . 2.Open the power switch . 3.Insert the USB receiver into the USB port of your device ,the driver will be installed automatically . 4.Press “Mode”key,switch the keyboard to 2.4G mode ,the 2.4G indicator(green) will be ON, then you can use the keyboard .

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2.4g ana bt windows - all is ok Linux ubuntu bt - all is ok Linux ubuntu 2.4g - capslock ligt stays on despite capslock is off. Its turns off correctly, aftrt the first. Keypress. My be it is because linux kernel driver or something else, i do not know what!
A+++. Great seller. Works perfectly!! Highly recommend
Nice quality. No problems in use but touch pad doesn't like to be used while charging......jumpy random cursor
Very good. 2.4GHz only receiver, Wired USB, Bluetooth, and touch pad (mouse) it becomes a keyboard, and a Korean (Hanyoung conversion is the right Alt key) the size is small, the plastic texture is very good, the design is neat, not the battery, but the rechargeable and the price it is cheap and the delivery has been huge, and it is very good all over the place. I feel good too. Asa ~ Lulu ~ It's a little small for general office or games, and I buy it for a robot, but for that use, Choi yes. ^ ^
The delivery arrived well within the scheduled date of delivery. I tried to charge it before use, but it's okay. I bought it to use it in bed. The key backlight comes in two colors: green and blue. You can use it well in the dark.
I tested it, and it works well.
very impressive item. whoever order this will love this. and I strongly recommend to anyone in aliexpress. prices are cheap and items are pretty good quality
Shipping is fast and good ..........................................................................................
The weight thickness of one letter keyboard everything is satisfactory and the use of the mouse is smooth. The disadvantage is that when using the keyboard, you keep touch the mouse part with the little finger of your right hand. It's good if you have an option you don't use.
Keyboard is compact and good to use on smartv tablets. The keys are small have to get used to. I paid 177 with fee included.
Larger size than you think Very good when lying down and PC The mouse function was also well implemented
It's a good price. The key value is fine and the touch is convenient I was using Logitech and then I bought it because it was out of order. Satisfaction is the best The real ugly.
These keyboards are great. Having a selection to connect to 2 devices is really useful as can switch between TV and pc quickly (for me I do PC and Pi), and the backlighting is great for low light. Would recommend all day every day
English keyboard. Without the letter Ñ... But it works well. As described
I compared it to a few Bluetooth keyboards to write like a smartphone, and it seems to be the best.. Even though it was the most expensive. It's a moderate Quilty. It's a bit of a regret. It doesn't hurt, though.
The goods only work well at the beginning of use. It's very good.
Operation well very satisfied
It works well... while using a little more, I think you should use a variety of features. The specifications and design of the product are good. It's never a cheap feeling .... I will use it well. Will you be a thriving business...
The product came well. Be rich