1, one-side retractable headphone for MP3 2, good quality and competitive price 3, ROHS and CE 4. 3.5mm plug

1, one-side retractable headphone for MP3

2, good quality and competitive price3, ROHS and CE 4. 3.5mm plug

5, speaker size : 10φmm

6, ImpedanceL 32Ω

7, Sensitivity :115dB/mW

8, Frequency Response: 20-20000HZ

9, Cord length : 100cm

retractable headphone for MP3