Bluetooth Rechargeable Headphones with External Speaker

Bluetooth Rechargeable Headphones with External Speaker. Wireless Bluetooth Headphone. Built-In External Speaker. Built-In MP3 Player/FM Radio. Micro USB Input. Micro SD Card Slot: (Up to 16GB). Aux Input. Built-In Microphone. Music Volume Control Directly On the Headphones. Built-In Rechargeable Battery. Aux Cable & USB Cable Included