100% brand new and high quality Connection: USB Cable 3 buttons, including scroll wheel, left button, right buttonIntelligent connectivity, no need to code, plug, and play.Ergonomic design is suitable for most people's hand feeling.Return Policy

• Defective products must be reported within 14 days from the ship date.

• Our products are offered with free shipping, so please be aware that if you return theproducts our actual outbound shipping costs will still be deducted from your return refund.

• Any product you return must be in the same condition you received it and in the original packaging.Please keep the receipt. Please note that based on condition of item when recieved due to a return,we may decide to offer a partial refund without.

• Damaged products will not be refunded. Only unopened products are returnable for refund.