Unifly&reg; 3.5mm Jack Cell Phone Earphone Earbud with Mic (BLUE) 105dB sensitivity driver for increased power and efficiency at high volume 3.5mm Highly-conductive, golden stereo connector, lasting durability Unique Alloy earbud housing,Perfect acoustic chamber design Gold-plated 3.5 mm audio jack 1.2m TPE cable, less tangle and easy to wear, high-density voice coil ,24-point flex-membrane cone Accessory: 1pcs zip case, extra 4pcs ear gel includedHigh-density silicone ear gels lock out ambient noise and provide an intimate listening experience