... 7 hours1.Ear Hook and Folding MP3 Bluetooth Headphone 2.Multimedia computer headphone 3.Hi-Fi sound 4.Play high quality ... .Works well with Skype, MSN, and VoIP14.Wired & Wireless headphone 15.USB cable used for charging battery when connected with ... music21.Faster connecting, clear sound, and anti-interferenceFeatures :MP3 Bluetooth Headphone 1.Multimedia computer headphone2.MP3 player3.Hi-Fi sound 4 ...