Bornd S630 In-Ear Stereo Earphone, Black: * Black and white glazed lamp modeling, decent and fashionable, wide range of frequency response * An integrated hands-free microphone for calling and voice dial * In-ear type * 3.5mm gold-plated plug and audio fidelity * 1.2m long flat audio line, TPE material, superior flexibility and environmental protection * With 2 sizes of silicone ear plug jackets * With a travel bag * Headphone type: metal headphone * Headset mode: inside ear * Cord length: 1.20 ± 0.03mm * Impedance: 32 Ω * Frequency response: 20Hz ~ 25kHz * Sensitivity: 102dB/1 mW (S.P.L at 1kHz) * Total harmonic distortion< 0.3 percent * Color: black * Weight: 0.038 lbs