OVERVIEW: With its high-precision 11.8 mm drivers. The ATH-CKR75BT Sound Reality wireless in-ear headphones give you superb efficiency and audio quality with the convenience of Bluetooth® wireless technology. These aren’t just any wireless headphones. The powerful drivers reproduce audio with an extended 5 – 40,000 Hz frequency response and they feature a built-in amplifier that enhances the sound’s depth and resolution. And since the headphones are compatible with aptX and AAC codecs (in...