MODEL NO.:HH1053 MODEL NO.:HH1053 With fashionable design earphones With microphone and volume control Frequency: 20 to 20,000Hz Sensitivity: 115dBm 3% Impedance: 32 Max. input power: 100mV Cord length: approx. 2.1m Plug type: 3.5m stereo Drive unit: 40mm Wired earphones,Fashionable earphones,Wired Headphones ,computer access http://www.cjichinapartner.com