The ATH-CKR55BT wireless in-ear headphones combine powerful sound performance with the convenience of Bluetooth® technology, making them perfect for on-the-go use. Featuring newly designed 10.7mm drivers and access to high-quality aptX and AAC codecs, these headphones deliver rich, full-range audio wherever you are. With an in-line mic and controls, you can easily manage calls, adjust volume, and control music playback on compatible devices. The built-in amplifier enhances audio depth and resolution, while machined brass stabilizers minimize unwanted vibration for clearer mid and high frequencies. The neckband design ensures easy access to the controls, and the included clip allows you to attach the battery case to your shirt collar for added convenience.