retractable earphone , mobile handsfree
Special design for SonyERSSION K750
different color available

retractable earphone , mobile handsfree , handsfree for all kind of cell phone

Product Standard: 1. driver diameter:15mm2. External appearance: silvery or black color3. frequence response:20Hz-20KHz4. Plug: 2.5mm (3 or 4 poles)5. max input power:10mW6. Compatible for various kinds of mobile phone

1. In-line with mic switch
2. External appearance: silvery or black color
3. Fits either left or right ear  
4. High sensitive condenser electric microphone
5. Compatible for various kinds of mobile phone