Harman Kardon Soundsticks/speakers +

Harman Kardon Soundsticks/speakers. Purchased from a US Apple store several years ago, so does have a US plug, will supply with the UK adaptor. Is a 6 inch, 20-watt downward-firing powered subwoofer. Can plug into computer to give amazing sound quality. Can plug into a TV, but I have not used it this way before. Touch volume controls located on soundsticks, and includes a blue back-light. Slightly scratched, but still has excellent performance. Pet & smoke free home. 75, reasonable offers accepted. Buyer to collect from Hurstpierpoint.