JOHNYSTAR a lot of production and processing of various electronic commodities, novel styles, low prices reasonable, stable and reliable quality, beautifully packaged and generous, and are exported all over the world! Apple boxes JS-2095 10 PCT Horn MP3 headphones headset, melodious sound quality, sound quality good, strong bass. The transparent plastic box packaging, beautiful upscale, 600/issue, means: 50*35*50CM GW:16.5kgs NW:15.5kgs impedance: 32 ohms weight: approximately 12 g earphone type: in-ear headphones with neodymium metal 16mm frequency response range: 18-22000 Hz sensitivity: 104 dB sound pressure level 1mW Wired: OFC oxygen free copper-total harmonic distortion: less than 1% welcome foreign bulk purchase!