In-flight Entertainment Essentials

[ Efficient Noise Reduction ] : Earmuffs constructed by solid ABS-shell and thickened noise-dampening foam,Dual soundproof room filled with high efficiency noise dampening sponge to provide highest NRR 35dB noise blocking. NOTE: This ear muffs is passive noise isolating and no batteries needed. [ Adjustable Headband Design ] : Retractable stainless steel at the end of the headband plus 360-degree rotatable earmuffs can be adjusted to fit all head sizes from children to adults. [ Comfortable and Safe ] : Ergonomically designed double-deck headband stays close to your head without causing pressure, the newest cups design lined with super soft, comfortable foam cushions providing non-stop comfort for hours around your head and ears.

In-ear Dual Driver Wired Earphones with Stereo Sound & Bass In-line Remote Control with Mic, Music & Call Control. Speaker Sensitivity: 101dB±3dB. Frequency Response: 20Hz~20KHz. Mic Sensitivity : -42dB±3dB 1 year manufacturer warranty