Beteran SUICEN AX-671 AX671 Bluetooth V4.1+EDR Wireless and Ultra-light Wired DSP Noise Cancelling Deep Bass HD Multifunction Sports Running Portable Foldable Mini Music Headband Music Stereo Headset Headphone with Micphone for iPhone Samsung HTC iPad Computer (Black) Portable Bluetooth sports headset after hanging Compact and lightweight. Built-in high-definition, full-pointing microphone. special for sports, running, jogging etc super bass HD music headphone Supports pairing with two bluetooth devices at the same time.