Levn&trade; V+2.1 Edr Music& Call Headset Headband Business Style Wireless Headphone Noise Cancelling Bluetooth Microphone Headphones M20-white Stereo Bluetooth headset with back-hang style Foldable design provides maximum portability Bluetooth 2.1 Stereo Headphones- Advanced Bluetooth CSR version 2.1 Latest technology. Features Software & CVC echo/noise reduction for reducing noise Wirelessly enjoy stereo music from all A2DP-enabled devices, such mobile phones, PDA, PC etc Switch automatically from remote controls on the headset allow you to play, skip and select your music tracks. Extended music playback time Wireless Freedom- Stream music directly from your smartphone or tablet, and be free of annoying, tangled cords. Compact form factor and stylish design- These headphones were designed to be small enough for you to comfortably tote around.