Features:
1) Foldable / portable / lightweight / stylish / rush on 3 x AAA batteries
2) Power: 0.5W x 2
3) Dynamic range: 40Hz - 12kHz
4) Input voltage: 3 - 12V
5) S/N: 63dB
6) Audio line-in jack: 3.5mm
7) Battery: 3 x AAA
8) Weight: 75g
9) Dimension: 148 x 65mm (extended), 90 x 65mm (folded)