AKG K-495NC Noise-Cancelling Headphones

Of course 'NC' stands for 'noise cancelling', but it could also stand for 'no contest', because when it comes to pure, undisturbed sound, the AKG K495 NC headphones deliver high-quality performance and active noise control that are second to none. Durable and easy to charge through the USB, these top-of-the-line headphones create a perfect audio world: you get all the sound you want, and none of the sound you don't. Brushed-metal parts for increased durability Supersoft headband and ear cups for long-wearing comfort Unique 3d-axis2 folding mechanism for easy transport and storage Flight adapter and premiumSpecs - System - Dynamic Design - Closed-back Colour - Black leather with brushed metal parts Frequency range - 20Hz. 20kHz Sensitivity - 121dB SPL/V Input impedance - 26 ohms Maximum input power - 50mW Net weight (without cable) - 235g (8.3 oz) Cable - 99.99% oxygen-free cable, 1.4m (4'7) Main connection - 3.5mm (1/8) stereo mini-jack plug Battery lifetime - over 40h