new design trolley cooler bag with speaker 1.Favorable price 2.Any colors and size are available 3.Quick delivery 1, Product Information: Product Name: new design trolley cooler bag with speakerFabric: 600DSize: 50 x33.5x 18CM, also to be customizedLogo Options: Silk Screen Printing ; Emboidary ; Rubber patch, etc...Parameters: Speaker diameter:57mmAUX input impedance:10-20KΩ output impedance:4Ω ...