This is a replacement left and right speaker assembly for IdeaPad 310-15 510-15 series laptops, No Soldering Required, Simply plugs into the Motherboard! Compatible Part Number (s): PK23000NSV0, PK23000NTC0, PK23000NSG0, PK23000NT00, VC020A72G101 Condition: New and Original, unused in perfect condition. Reference Compatible with Lenov0 Laptop Models: - IdeaPad 310-15 series: 310-15ABR, 310-15IAP, 310-15IKB, 310-15ISK - IdeaPad 510-15 series: 510-15ABR, 510-15IAP, 510-15IKB, 510-15ISK What's in the box 1x Right Speaker 1x Left Speaker