Noontec RIO Fashion HiFi Audio Performance Headphones with SCCB Technology* Much more than the charm of its attractive design, the Rio headphone offers high performance audio. Get ready for the Rio's state of the art Hi-Fi audio performance and incredible comfort that includes various ear adapters that maximizes ambient noise reduction and offers the ultimate fit for your individual style. With a built-in cable microphone, you get crystal clear hands-free calling with your phone or other mobile device. Features Much more than the charm of its attractive design, the Rio headphone offers high performance audio thanks to the patented SCCB audio technology Get ready for Rio’s state of the art Hi-Fi audio performance and incredible comfort that includes various ear adaptors that maximizes ambient noise reduction and offers the ultimate fit for your individual style With a built-in cable microphone, you get crystal clear hands-free calling with your iPhone, SAMSUNG, BlackBerry, Android smartphones or other mobile device Due to professional audio tuning, Rio performs well in treble response without sounding unnatural or harsh, the music from percussion instrument, stringed instrument and Piano will transmit a fabulous effect Everyone expects an earphone with balanced acoustic performance, to get excellent feeling while playing various styles of music, such as Pop, Rock & Roll, Jazz, Country Music and symphony Thanks to the combination of Noontec’s unique SCCB acoustic technique and metal cavity, It’s enjoyable to experience the rumbling drumbeats from Rio as the prominent tight & deep bass Rio distinguishes itself with clear mid-range response, delivering a realistic voice with distinct gradation, it’s suitable to enjoy Bel Canto, Country Music and Jazz Ergonomic design offers comfortable fit Gloss surface and durability come from alloy material construction Copper-Aluminum alloy coil delivers high fidelity sound Shrink-ring design specifies individuality and vogue High sensitive cable microphone allows hands-free calling Flat TPE audio cable with high elasticity avoids any twisting 24k gold plated connector and OFC oxygen-free copper cable ensure lossless audio transfer Specifications: Driver Type: Dynamice Plug Type: 3.5mm Driver Diameter: 10mm Frequency Response: 12~24,000Hz Sensitivity (at 1kHz 1mW): 92dB Input Impedance:  16Ω Max Power: 100mW Audio Cable Length: 51" Weight: 0.75 oz