Driverless Wireless mouse (& keyboard) for a distance of 8m

I have a video player connected to the TV : alas  when short videos (of a few minutes)
finish, I often have to walk about 8m (from my dining table) to use the mouse (&
keyboard) to click to go to next video.

I've tried a few wireless mice : Logitech Darkfield Anywhere, an unbranded wireless
mouse & an Imation wireless mouse : all of them only works within 1m distance.

So far all the above mice don't require any driver : just plug their USB dongle to
the video player & it just works on-the-fly

Anyone know of any long-distance mice (& keyboard which I use less frequent
but still good to have)?

A 2-in-1 ie a USB dongle that controls both mouse+keyboard is fine too.
 eBay or Amazon online links that ship to Singapore will be appreciated
sunhuxAsked:
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sunhuxAuthor Commented:
Ideally if the wireless signal can go thru a chair that's in between or
a person sitting in between, it will be good
KimputerIT ManagerCommented:
I can't believe a Logitech device failed on you. My experience for the last DECADE, has always been:

- Logitech just works (indeed, no drivers needed)
- comfortable distance

Since it doesn't work in your case, either:

- source of interference causing it (usually needs expensive radio frequency equipment to test it). You either try to move things away just on blind luck and find the root cause, or you never solve it (for instance, there's a microwave device that HAS TO BE in that spot).
- the USB dongle is placed in an awkward location. Use a USB extension cable, so you can place the dongle somewhere else (maybe even in line of sight). You will that you may even reach 10 meters now. After you see improvement, remove mouse, and buy a new Logitech MKxxx set (mouse/keyboard combo, the MK270 shouldn't be more than 30 or 40 bucks).
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sunhuxAuthor Commented:
KimputerIT ManagerCommented:
Try this one:

http://www.ebay.com/itm/Logitech-Wireless-Desktop-MK270-Cordless-Keyboard-Mouse-920-004536-/181764173985?hash=item2a51fd30a1:g:A10AAOSweW5U6AGv

It's MK270 for the mouse/keyboard, you searched only for K270 (only keyboard).

However, I find it weird such a big brand (Logitech is still market leader) doesn't have its products just in your local stores?

Officially, I don't think the MK270r exists.
sunhuxAuthor Commented:
MK270R exists in Amazon: just found it but it costs a lot more.

Ok, found MK520 & MK320 : both long range but which one has a
longer range?  Contemplating between the two.
KimputerIT ManagerCommented:
Long range is a term used by the reseller websites, it's NOT A TERM used by Logitech themselves.
"Long range" is used, mainly because it's just about proven that Logitech makes the best products.
MK520 and MK320 would probably behave the same way.

However, you didn't change one singly bit to your situation. You didn't check if you improved your range with a USB extension cable (and hence change the location of the USB receiver). As I told you, I suspect your current mouse is behaving properly, and some external force is causing the low range results. Buying a new device will most likely result in the same results.
sunhuxAuthor Commented:
Well 3 of my wireless mouse won't work beyond 2m;
perhaps these are old mice.

Ok, MK520 is just as long range as MK320 & supposedly better
value for money at Amazon's current offers:
  http://www.amazon.com/Logitech-Wireless-Combo-Mk520-Keyboard/dp/B003VANO7C/ref=sr_1_1?ie=UTF8&qid=1448374257&sr=8-1&keywords=Logitech+MK
  http://www.amazon.com/Logitech-Wireless-Desktop-MK320-Combo/dp/B003VAGXZC/ref=sr_1_1?ie=UTF8&qid=1448375782&sr=8-1&keywords=Logitech+MK320

A couple of local stores finally listed they have MK520 but at
50-80% higher price than Amazon (as I'm getting free shipping
internationally for the total qty purchased):

Next is Logitech's warranty international?
KimputerIT ManagerCommented:
Logitech is quite strict, and wants to service you only if you bought locally (WITH official receipt/proof of purchase from a store).

From: http://support.logitech.com/en_sg/article/warranty
Is my warranty valid if I move out of the country in which I purchased my product?
 
No, your product’s warranty is only valid in the country in which you purchased your product.
Of course, you're not moving out. However, it applies to you since you effectively bought it in the USA (assuming your amazon or ebay reseller will be from there).

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sunhuxAuthor Commented:
>USB extension cable
Well I did move the various mice within a 5m perimeter around the room
while aiming at the USB dongle that's stuck onto the video player & no luck
too (ie can't move the cursor).  So I think it's not the positioning/angle of the
USB dongle with respect to the mice but rather the signal strength is too
weak for that distance.

Or is there any way I can test using a Wifi signal "amplifier" (ie something
to strengthen the signal so that the signal could go the extra distance?
KimputerIT ManagerCommented:
You didn't mention if the USB dongle is in the front (so most likely line of sight) or in the back. If it's in the back with no line of sight, try the USB extension cable to bring it into a line of sight situation. Even if it wasn't the case, moving the USB dongle away from the original location (even if it was line of sight) with a USB extension cable can still help if there's radio frequency interference at that spot.

There's no radio frequency enhancer device available (Wi-Fi extenders work very differently).
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