Wireless earphones sennheiser Stereo Speakers & Headphones

It's quickly becoming a wireless world, and what better way to enjoy it than with Sennheiser latest must-have product: the MX W1. Utilizing Kleer Corporation's uncompressed digital transmission technology, the completely wireless headphones stay comfortably in place without compromising Sennheiser's renowned audio quality. Users no longer need to be tethered to their MP3 players or other portable media devices?each separate earpiece is connected through Kleer's digital wireless transmission technology. Audio is transmitted automatically to the receivers when using a portable audio device equipped with Kleer technology. When using a device that is not equipped with Kleer technology, users can attach the discreet transmitter (included) directly to the headphone jack of their iPods, iPhones or other MP3 players to enjoy total wireless freedom. Like Bluetooth, Kleer's technology operates in the 2.4 GHz range, but offers several advantages such as uncompressed transmission for CD-quality sound, multi-receiver capability, ultra-low power consumption and higher immunity to interference. Tiny transmitter includes multi-receiver capability, allowing two people to listen to the same audio device at the same time Carrying case with quick-charge function; recharges receivers up to three times while ?on-the-move' Frequency response 19 Hz - 20,000 Hz; THD 80 dB Impedance 32 ohms Transducer principle Dynamic Sound pressure level (1kHz, 1Vrms) 115 dB Multi-country adapter with exchangeable plug (US, EU, UK, Aust); Input - 100 to 240 Vac / 50 to 60 Hz; Output - 5.2 VDC / 0.5A, 2 x 2.5 mm DC plugs Includes Two wireless receivers (Twist-to-Fit headphones, l/r); Compact, lightweight transmitter; Carrying case; Docking station with integrated charger; Multi-country power adapter; USB charging cable; Earpads; Scratchless attachment bands (3 pieces); User manual