Audiophile wireless headphone from Crossfade series in Codex edition. Hybrid Bluetooth and pure analog wired headphone with virtually identical sound in either mode. They feature Qualcomm aptX for CD sound quality over Bluetooth, the Advanced Audio Codec (AAC) for best sound performances on iOS devices along with the “universal” Sub-band codec (SBC). Crossfade 2 can also be operated in wired mode by inserting a cable plug into the headphone jack to switch off all electronics and achieve zero latency, essential for gaming and professional use. Powered by dual-diaphragm 50 mm drivers and hi-resolution CCAW coils Made in Japan. Crossfade 2 is certified by the Japan Audio Society (JAS) to Hi-Res Audio standard when cabled. Large memory foam cushions provide supple ergonomic comfort for extended listening sessions. The cushions and SteelFlex headband adapt to your head and ears to create perfect natural noise isolation, optimal bass and an immersive 3D soundstage. The iconic CliqFold hinge enables ultimate mobility by folding into an impossibly small Exoskeleton case on-the-go . Enjoy your headphones with a Bluetooth range of up to 10 meters and pair with two devices simultaneously such as with a smartphone and laptop. The built-in hidden microphone is specially tuned for phone calls and voice recognition with a rugged Aramid Fiber - reinforced 1-Button Speakeasy cable for wired use included in the box. The rechargeable lithium-ion battery provides up to 14+ hours of continuous music, entertainment and calls. Recharging is easy via the elegant V-Micro USB cable. Frequency response (wired): 5 - 40,000 Hz. Headphone sensitivity: 100 dB @ 1 kHz 1 mW. Microphone sensitivity: -42 dB @ 1 kHz. Battery capacity: 430 mAh (up to 14+ hours music playback). Impedance: 32 Ohm. Weight: 309 g. Colour: Rose Gold