Features:
1. Three power supply ways: battery (AAA 1.5V x 4pcs); DC 5V (USB cable for PC);

AC adapter (6V/600mA)
2. Built in dia. 3.5mm stereo audio plug with 20cm length cable
3. Volume adjustable (VR)
4. Compatible with MP3, MP4, mobile phone, computer, iPod and any other audio player

with dia. 3.5mm audio jack

Specifications:
1. Audio output: 2.0 double channels 
2. Speakers size: dia.50 x 2
3. Output resistance: 2W/4ohm x 2
4. Output power: 4W
5. Sensibility: >75dB
6. Frequency response: 200Hz-18kHz
7. Dimension: 213 x 80 x 45 mm (extended)
8. Weight: 210g


Inner packing:
Gift box

Outer packing:
54pcs/ctn
Carton size: 52 x 38 x 27.5 cm
N.W.: 9.33kg
G.W.: 12.15kg