UNIWENT(TM) USB Sport Wireless Handsfree Headset Headphone Earphone MP3 Player (Blue)

Features: 100% Brand New. Weight:84g Three Colors for selection: Green /Blue /Red Capacity No memory inside! support 8G TF card. (TF card NOT included) Just save your songs in your TF card and then get it played with this sport player. Support MP3 WMA music format. Be able to use directly as a USB portable disk. Just save your files in it! Built-in rechargeable li-on battery. Automatic turn off while not under use for setting time. Enjoy your sports and music at the same time! Output Frequency: 20Hz-20kHz Working Temperature:-10~45Degree Package Content: 1 x Sport Headphone MP3 Music Player with TF Card Slot(TF card NOT included) 1 x USB cable