Features: Internal speaker set left right speakers module replacement for Retina 13" A1502, Years: Late 2013 Early 2014 2015.(Please check your machine before your purchase) Replacement to replace your old damage Internal speaker left+right speakers module. With back cover screws screwdriver and foot pads set, please install it by professional technician. Do not need to change new machine, just buy this item and replce your damage Internal speaker set, let your Device work again again. Products- are fragile, easy to be damage during shipping. So if there are any questions, please contact us first, we will try our best to help you. Specifications: Compatible Model: For Retina 13" A1502 Compatible Year: s Late 2013 Early 2014 2015 Part NO.：923-0557 923-00509 Quantity: Left & Right Speakers with Screws and Foot Pads Package Includes: 1Set Left + Right Speakers Kit for A1502 note: No retail package. Transition: 1cm=10mm=0.39inch Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!