Sony MDR-ED268LP

Fontopia in-the-ear design fits snugly, yet comfortably inside the ear; eliminates the headband so you can enjoy music while exercising, skating or dancing
Soft rubber earpieces provide greater stability so they're far less likely to shift or fall out, greater wearing comfort thanks to the broader distribution of contact
Groove design/Bass Booster earpiece shape with better fit means less sound is lost; better bass response at the same sound pressure levels as conventional designs; perfect for Sony Walkman players with Groove bass control
Anti-bacterial earpiece material for worry-free wearing
16 mm Diameter Driver delivers deeper bass, extended treble and higher fidelity, yet remains small enough to fit inside your ear
Sapphire-evaporated diaphragm is amazingly strong, yet lightweight, for extended high frequency response, increased sensitivity
Sony Acoustic Twin Turbo® Circuitry uses sound chamber and ducts for improved efficiency, gets high sonic output from your portable stereo
Neodymium magnet for maximum energy in minimum size; ounce for ounce, Neodymium is far more powerful than conventional Samarium Cobalt or Aluminum magnets
Stylish, Neck-Chain Cord
Cord bushings on ear buds help prevent tangles, enhance durability
Gold-plated mini-plug for exceptional corrosion resistance, superb conductivity, low noise
Supplied carrying pouch neatly stores the ear-buds and headphone cord when not in use; ideal for carrying in a pocket or purse
Type Lateral, In-the-ear, Open-air, Dynamic
Driver Unit 16mm diameter
Diaphragm Sapphire evaporated
Magnet Neodymium
Cord Neck Chain, 3.9 feet (1.2m)
Plug Gold-plated, L-Shaped, Stereo Mini Plug
Impedance 16 ohms
Sensitivity 108dB/mW
Power handling capacity 50mW
Frequency Response 8 - 25,000Hz