Kleer offers DigiFi Opera wireless earphones in US
DigiFi has launched its Opera wireless earphones in the United States market. The system, previously only available in Korea, features Kleer wireless technology that is claimed transmit uncompressed CD-quality audio over the 2.4GHz band, with a frequency range of 20Hz to 20KHz and an 86dB signal to noise ratio. Users can connect the transmitter to any iPod, PMP, or laptop, without requiring any so…