In ear earphone, novelty gadgets, used for MP3/MP4 players, radio, CD, and son on. Good for promotional gifts, premiums, etc.
Frequency Response:20-20kHz
Sensitivty: 105+/-3dB
Impedance: 32(ohm)+/-15% at 1kHz
Max Input: 10mw
Plug: 3.5mm stereo

Available in various colors
Packaging: blister packing, clams Gift box, pol