You can wear this MP3 player neckband around your neck and tune into of your choice. It supports memory cards with capacities ranging from 1GB to 8GB., Supports MP3, WMA, WAV Audio Formats., Hold Left And Right Key To Increase Or Decrease The MP3 Volume Or Single Press For Change MP3 And Middle Key For Pause MP3 Player. This Mp3 Player Can Be Used As A Card Reader., The Mp3 Player Does Not Have Any Inbuilt Memory. You Have To Use Memory Card Source On Your Own. No Memory Card Is Included With This Package. 8gb Indicates That It Can Support Upto 8gb Of Memory Card. Also, No Bluetooth Function Is There.