Description:

• Earphones have always been a smaller, more portable alternative to traditional headphones, and JBL Reference 220 earphones are certainly that. But Reference 220 earphones are designed to perform more like their larger counterparts. It is possible to get realistic, full-spectrum sound from virtually weightless earphones that can easily slip into a pocket.
  It is a very reasonably priced pair of quality in-canal earbuds with cloth cord design. Airplane and stereo headphone adapters. High-quality miniature transducers outperform other earphone systems

Features:

• Amazingly comfortable in-ear design
• High-quality miniature transducers outperform other earphone systems
• Wear them your way: foam ear pads, silicone in-ear inserts, detachable ear cuffs or a foldable under-chin strap
• Three ear-piece sizes included, for a personal fit
• Flexible cloth-covered wires

Specification:

• Maximum Input Signal: 5mW
• Sensitivity: 94dB/mW @ 1kHz
• Frequency Response: 20Hz ¨C 20kHz
• Input Level/Impedance: 16 Ohms
• Dimensions: 13.5 mm in diameter
• Wire length: 111 cm