... Net weight: 100g Speaker: 36mm x 2 Input: L/R280mV Power output: 1.7W x 2 S/N: 80dB AMP frequency ... Applicable for MP3, MP4, laptop, PC, MD, mobile phone, and more, all kinds of digital player devices With the intellectual property rights of magnet portable ... while playing, that will increase the low frequency outputting If power off, close the resonator, the dimension will become smaller That ...