CredDeal Running Wireless Noise-Cancellation Bluetooth Stereo Headphone for Music Stream & HandsFree Calling Up to 20 hrs Extended Talk and Playback Time, 400 hrs Standy time with Mic,A2DP,AVRCP Stereo Bluetooth headset with back-hang style foldable design provides maximum portability with most stereo-capable bluetooth devices. Long lasting working & standby time: Up to 20 hrs extended talk and playback pime, 400 hrs standy time The Bluetooth Headphone is ideal for gym use, cyclists, runners, tri-athletes, walkers, hikers, or any kind of workout. Features Software & CVC echo/noise cancellation 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. The latest version of A2DP1.2 and AVRCP1.0 profiles supports Bluetooth Headset and Hands-free Profile(HFP 1.5)