Foldable noise reduction headphones is of high quality silence effect, it can reduce more than 70% environmental noises with advanced technology. Your choice for best acoustics. The best acoustics you can choose. Specifications: Name Active Noise Canceling Headphone Driver Unit 2X40mm Frequency Response 20-20kHz Impedance 32 ohm Sensitivity 105dB, 111dB (at 1 kHz) Noise Reduction Level e13dB at 300Hz Plug 3.5mm, with 6.3mm Adapter Cord Length 2.0m Battery AAA X1

Speaker Dimension: 16mm Impedance: 32 ohms Sensitivity: 104+/-2dB S. P. L. At 1KHz Frequency Response: 20Hz-20, 000Hz Cord Length: 1250+/-50mm Plug Type: 3.5mm Stereo

wireless headphone are apply for TV, computer, DVD, DV, MP3, Walkman, etc. The main function of FM HI-FI wireless headphone products as follows: 6 IN 1 function Wireless headphone Wired headphone Wireless chat online or wired chart online Listen to FM radio Wireless monitoring (by this function, it helps you well to take care of you baby and old people) LED (color indicate light)

Lightweight digital stereo headphone with 30mm drivers for heavy bass sound, wide and lightweight molded headband for superior fit and comfort, and a 3.5mm stereo mini plug.

Retractable earphones. Pull cords from both sides to lengthen. Pull again to retract. Size: 5" x 1 1/4" x 1/2"

Professional digital stereo headphones. Features Include: High performance 40mm super thin diaphragm drive unit. Large cushioned ear pads. Singled sided enameled cord with gold-plated 3.5mm stereo plug. Size: 8.07" x 7.4" x 3.54"

Headset, back-hook type. Specifications: Frequency response 20 hz-20khz. Speaker Impedance 32. Driver unit 40 mm. Rated Power 20mW. Power handling capability 100 mW. Cable length 2.20 M. Sensitivity 107dB. Microphone 6 x 5 mm-58dB+/-3dB. Plug 3.5 mm Stereo. Color: As shown

1.1 earpiece Speaker:Φ15mm Impedance:32Ohm Frequency response:20-20K hz Sensitivity:108+/5db 2.Micphone Sensitivity:-52+/3dB Direction:Omni-directional Frequency response:100-100Khz 3.Cord length:75cm +/-5cm (the retracable cord lenthen ) 4.Circle tray size(max):4cm x2.5cm 5.With on/off mute in earpiece

Reduce unwanted noise by more than 85 percent (up to 12dB at 300HZ), ideal for achieving peace and quiet in planes, trains, buses and cars Active noise reduction from 40 to 1, 500Hz using 1AAA battery extended battery life approximately 30 hours Unique full-size ear cup design with comfortable padding for extended wear Adjustable folding headband for compact storage and travel Sing-sided cord minimizes tangles Gold-plated 3.5mm stereo plug Technical Details Type: Over-ear, noise-cancelling, foldable, full-size ear cup Headband: Over-head, adjustable Attenuation: 12dB at 300Hz; applicable noise-reduction range: 40 to 1500Hz Impedence: 32 ohm Frequency Range: 20-20, 2000Hz Sensitivity(off/on): 113dB+/-3dB/119dB+/-3dB Max Input Power: 30mW Noise Reduction Level: 12dB at 300Hz Accessories Included Dual-Prong Airplane Adapter Travel Pouch

Whether you're a DJ at the hottest club or just a serious music lover, you'll enjoy the professional quality sound delivered by these swivel cup stereo headphones. You'll feel every beat and thump while your ears stay comfortably cushioned. A gold plated

Specifications: Driver: Φ 15mm mylar speaker Impedance: 32±15% Ω Sensitivity: 110±3dB(at 1K Hz) Frequency Response: 20-20, 000Hz Rated input power: 3mW Maximum input power: 5mW Packing Style: PE bag, blister+card, or show window case

Driver Unit: 15mm Impedance: 32ohm Sensitivity: 104+/-2dB S. P. L. At 1KHz Frequency Response: 20Hz-20, 000Hz Max. Input Power: 50mW Cord Length: 1250+/-50mm Plug Type: 3.5mm stereo