NEW 3.5mm Stereo in ear Earphone Headset with Earbud Listen Music for iPhone HTC MP3 Piston In-ear Earphones Binaural The product is compatible with most 3.5mm jack electronic devices and light weight、 convenient to take along and use. Compatible with most 3.5mm jack electronic devices. Safe、 high-grade PC、 good quality. 3.5mm jack plug、 comfortable use. High sensitivity、 good sound quality. Light weight、 convenient to take along and use. The product without microphone. Earphone Type: In-ear Color: Black Cable length: 1.2m / 3.9ft Earphone sensitivity: 110dB Frequency range: 18-20.000Hz Speaker impedence: 16ohms Earphone weight: 10g / 0.35oz Package size: Approx. 14.6 * 10 * 1cm / 5.7 * 3.9 * 0.4in Package weight: Approx. 13g / 0.45oz 1 * Earphone 2 * Earbud Features: Note: Specifications: