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Can’t comment on quality but seems like a cheap price for a gaming set. Maybe for the kids?
ARK Gaming Ultimate 4 in 1 Bundle - Gaming Mouse, Tactical Keyboard, Ultra Comfort Headset, Ultra-Wide Mousepad
Also available on trademe for $14.99 + shipping
I have bought one of these, for $15 it's a good price,
Mouse is OK doesn't fit the hand too well but its good enough.
Keyboard is average as far as the printing of the letters and numbers are concerned but typing on it is good, be aware of the placement of the enter key as this might put some people off.
The DeskPad is great and worth the $15 IMO
Headset is quite poor, only tested the speakers but it doesn't have too much dynamic range.
Overall, for $15 (if you can get free shipping) it's a good price for a backup set but I wouldn't have it as a daily.