Upgrade Skull Bluetooth Speakers, 15W BT4.0 Wireless Speaker Built-in Mic, Creative Design Bass Stereo Speaker for Halloween, Party, Travel, Outdoor, Home Decor, Support TF/U Disk

1). new and Upgrade
2). high definition sound, Compact and portable, convenient to carry
3). Smartphone compatible(bluetooth or line-in 3.5mm)
4). player or any other audio source through Libe-in 3.5mm
6). Bluetooth support profile: 4.0