OmniView SOHO Series 4-Port USB KVM Switch with Audio w/Adapter & All Cables! - F1DS104UClick here for the manufactuer's specsYou are bidding on a used computer item. I am selling a lot of items and I 100% guarantee that these items will work. These items all came from working computers, if for some reason the item doesn't work or if you are unsatisfied in any way please contact me and I will give you a full refund of your purchase price. If you need cables or screws for your item just let me know I can include them for you at no charge.For a prompt shipment payments are preferred via PayPal (confirmed U.S.A shipping addresses only). Money orders, cashier's checks, and personal checks are also accepted but the payment will be held for 10 business days prior to shipping to allow the payment to clear my account. I only ship to U.S.A addresses, no exceptions.