Four in 1 Multi-functional stereo BluetoothHeadphone:
Wireless StereoBluetooth, Card MP3 player, FM Radio, Aux Wired Headset function
Listen with 3.5mm AUX
Low Battery! Do notwarry, just connect AUX, and enjoy your music any number of hrs.
Comfortable Head Band
Adjustable cablelength for each person's needs, make it comfortable as you need fits any sizedhead.