Headphones profession

Headphones: JAZZA Profession Derive From Technology JAZZA ANC-J2 Foldable Stereo Active Noise Cancelling Headphones for Cellphone Smartphone Iphone/Ipad/Laptop/Tablet/Computer/MP3/MP4/etc, Strong Bass, Folding and Lightweight Travel Headset Price: 2499 PKR with Free Cash on Delievery Limited Time Offer 23 Pieces Remaining Specifications: Category: Active noise cancelling headphone Output terminal: 3.5mm mini stereo plug (gold-plating) Power supply: lithium ion battery Battery capacity: 250mAH Working voltage: 3.7V The maximum input power: 400mW The maximum output power: 90mW Noise level: 23db Noise ratio: 50-1200hz The signal to noise ratio(SNR): =85db The working time: =30h The noise reduction modes: the feedback of before and after combined with the active noise cancelling Speaker diameter: ?40mm Speaker impedance: 32ohm Speaker frequency response: 20 - 20K Hz Speaker sensitive: 115dB Speaker type: Neodymium magnet high-end speaker Beryllium material: pet corona material Beryllium thickness: 19mil Wire length: 1.2m Wire material: TPE(Thermoplastic Elastomer)shielded wire Earmuff material: Protein intradermal filling inert memory sponge Package included: 1x Active noise cancelling headphone 1x Headphone bag 1x Aircraft plug 1x Audio connecting wire 1x With microphone audio connecting wire 1x Charger cable 1x User manual Office # 1, 1st Floor, Grace Plaza,  Rehmanabad, Satellite Town,  Rawalpindi Pakistan http://www.proshop.pk/ Contact# 0323-7767467