Shenzhen Kingline Technology Development Co., Ltd. [China]

1.headphone MP3 player 2.headset style 3.C2 sport mp3 4.Great sounding headphone mp3 5.Built-in rechargable Li-ion battery

1.C2 Sport MP3 player

2.headphone/headset shape

3.MP3/WMA formats                  4.Powered by built-in rechargeable Li-ion battery

5.Playback time around 4-6 hours

6.USB 2.0

7.Color: black, blue, green

8.Accessories:  USB cable, Users manual 

Sport MP3 player KL-3142