1. Aluminium speaker, delivery high quality sound 2. Ultra portable, battery operated mini stereo system for your ipod 3. On/off switch for you to save your battery life while not in use. 4. Work with ipod, ipod mini, shuffle, nano, video, MP3 player, notebook and any Audio player with a 3.5mm jack. 5. 4 AAA batteries last up to 8 hours playback. 6. Volume control 7. Power supply DC 6 Volt ( AAA batteries * 4 ) Or AC adaptor ( 6V, 400mA) 8. Output powr 2 w +2w 9. Speaker 50mm speaker, 4ohms Signal cable 20cm STR cord Input inerface stereo 3.5mm silver-plated L type 10. PACKING CONTENT Speaker Ipod stand Each packed in color box, 40 pcs in a carton Color box size 8.5*8.5*17cm Carton size: 43.5*35*25.5cm N.W/G.W. 8.6/9.5kgs