... and home, play music partner. Sales of the store card speaker. With standard 3.5mm LINE IN audio input line, do ... :150-18000HZ (+ /-3dB)3) signal to noise ratio: ≥ 70 dB4)speaker: 45mm outer diameter, magnetically shielded 4 Europe5) LINE IN connector ... is betterColor: red, blue, black, silver, BLACK FQ Bluetooth Portable Speaker,USB Speaker KS-BQ1