Description Main Feature: Stylish, elegant and portable. High-Tech design, super bass and excellent sound quality. Ear loops design and can be hang on the ears. Can offer you good feeling with vogue and pleasure and let you enjoy high quality stereo music. Compatible with all electronic products with 3.5mm port like MP3/MP4/MP5/CD/cell phone etc. Easy to carry, convenient to use and comfortable to wear. Cable length: 1.8-2.5m. Speaker size:30mm Frequency:18-20,000Hz Sensitivity:102 dB Impedance:32 Ohm Jack:3.5 mm Specification: weight:105 g size:14*8.2*3 cm Package: 1 x MDR-Q140 Ear Loops Earphones with 3.5mm Super Bass 1.8m Cable for MP3/MP4.