iKANOO Portable Bluetooth Speaker (BT008 Black) AUX audio input: 3.5mm audio line input can easily connect the computer, MP3/MP4/IPOD/IPHONE and other audio-visual products Built-in speakerphone for answering incoming call Power Output: 3Wx2 R. Frequency: 90HZ-20KHZ Audio Input: AUX/Bluetooth S/N Ratio: 80d2db