Item Condition :- Brand New , you are buying 4 pieces Returns :- No return Accepted unless not As described ..before you open a case or leave a negative feedback please contact us first and we will do our best to solve the issue thank you for your understanding. **we record the serial numbers # of each products we sell and will be saved** Shipping :- Shipping via USPS or FedEx service or UPS . Handling and shipping time 1-2 business days, no shipping at Saturday or Sunday **international Shipping** will be varies ..contact me first and then I’llprovide you the shipping fees We do not ship to P.O. Box address, APO FPO, Alaska,Hawaii and Puerto Rico locations.v Feedback :- We will try our best service for customers ,we appreciated your feedback Please give us 5 stars and we’ll do the same for you . Thank you and we hope to do business with you again.