... for iPhone,for iPad, for iPod mp3 player 2.Frequency response: 18-21000Hz 3.Impedance: 32 4.Sensitivity: 108dB ProductHeadphone for iPhone,for iPad, for iPod mp3 playersSpecifications ... <0.1%About shippingWe are the only one with regional warehouses in the China,United States and ... surprises or VAT issues. With NearbyExpress, we have removed all those headaches for you.Dropship ServiceNearbyexpress.com ...