• Noise-isolating design• In-line controls with microphone• 10mm drivers• Freq resp: 20Hz-20kHz• Imp: 16ohm • Sensitivity: 95dB/mW• Built-in mircophone• Micro USB port for battery recharge• EL wire light modes: on, off, music beats• Gold-plated connector• Soft comfort-fit buds• Lightweight design• Built-in clip• Built-in rechargeable Li-Ion battery• 3.4ft cord• Includes 1 small & 1 medium set of ear tips, micro USB to USB cable & user's guide• Blue UPC : 047323700965 Shipping Dimensions : 7.09in X 5.12in X 1.18in Estimated Shipping Weight : 0.3