case with speaker 1,Portable, enjoy music everytime 2,Attractive out apperance 3,many color 4,MP3,MP4,iphone case with speakerProduct Description: ... battery6. Compatible with MP3/Iphone/Ipad specially. Specification:1. Output power:1.2W*22. FrequencyResponse:100HZ-20KHZ3. Speaker:22*40 4 ... : 2W x 1.5WFrequency Response Range:275Hz-20KHzImpedance: 4HM( Ω );Speaker unit:50mm Size:13.5* 11.2* 5.5CM Color ...