1 dual function headphone with outer speaker ;

2 produces crystal clear, stereo sound with ultimate bass

3 self-adjutable and flexible headband and cushioned ear pads for wearing comfort

4 it can both work as a wired headphone and a wired speaker

5 with switches to adjust the sound volume: Volume Up or Volume Down

6 with built in battery case for power supply

7 designed with In-Use indicating LED light

8 tangle-free cable for use convenience

9 3.5mm, stereo jack for MP3, IPods, CD, DVD, TV, Radio, Home Theater Systems and so on

Product Specifications:

1 Out Speaker :40hm,2.0W, Φ36×14mm,110+/-3dB

2 Inner Speaker:32 ohm,0.5W,Φ40mm ,110+/-5dB

3 Jack:3.5mm Stereo

4 Frequ Range :20Hz-20KHz

5 Max Input Power For Inner Driver Units:10mw

6 Max Output Power For the Outter Driver Units:3w

7 3.7V Lithium Battery,680mA

8 Power Charge:DC ,5V

9 Charging Hours :3 Hours

10 Working Hours For Outter Speaker:2.5 Hours

11 Audio Cord Length :55 Inche