Phoned company who said as good will gesture sell a different for extra £5.
This one cost £5.60 +vat and wouldn't replace free as although it came apart when I removed it from USB it left behind the metal casing and circuit which I damaged removing it.(black plastic bit came away from metal)
The mouse is about 3 weeks old and first time I tried to remove it from my laptop.
Never mind the fact it could have short circuited my laptop.
So as I am unhappy with this service I will be taking it further and will publish results here later.
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