Comfortable on-ear, over-the-head design makes it great for everyday use Bluetooth 4 with Advanced Audio Distribution Profile (A2DP) stereo audio lets you stream playlists from your smartphone or music device 40mm dynamic drivers offer clear, powerful sound you can groove to USB cable charges the lithium-ion battery, delivering up to 8 hours of continuous play
 Optional cable has a 1-button remote and in-line microphone Integrated wireless controls on the right ear-cup and microphone for communication over Bluetooth L-shaped gold plated plug for a wired override Durable construction with blended bio-plastic ear housings