Bluetooth wireless speaker Transmit the music by BT to the speaker Line in, apply to PC,mobile phone,mp3.mp3, etc Specifications Portable size ... slot6.Work with all sound source with 3.5 audio interface product like : MP3 ,Computer ,mobile phone ,CD player etc7.From ... more attractive and fashionable1.Power: 2pcs x 3W max2.Signal To Noise Ratio: >80dB3.Frequency Response: 20Hz-20kHz4.Distortion: <10%5 ...