Earbuds, BYZ Wired Earphones in-Ear Headphones with Microphone for Running Workout Gym Black (2 Pack)

?Specification - Speaker Size: 13.5mm - Frequency range: 20Hz -20KHz - Sensitivity: 112 ±3dB - Impedance: 32 ± 20%? - Plug pin: 3.5mm - Cable length: 1200 ± 50mm - Package dimension: 4.41*4.37*2.17 Inch - Package weight: 0.58 Oz - Note: These noise blocking headphones' playback is only compatible with iOS devices and some Android devices, but can still use as normal headphone with mic to listen to music and answer phone calls. ?Package Include - 2 × In Ear Wired Earphone - 4 × Ear Hooks - 1 × User Manual ?Customer Service - If you have any question about the product you received, please contact us without hesitation. We would try our best to help you and improve your purchasing experiences. ?Warranty - Three months replacement warranty from the date of purchase and lifetime service is offered.