Features:
Built-in high quality MP3 decoding/FM sound listen 40mm neodymium
speakers produce a true and sound effect.
It\'s collapsible.
To the large extent， it not only gives you full and sound musical enjoyment but alsi helpfully protects your ears.

About Charging:
If it\'s the first time you use the headphones， pls. charge more than 5 hours.
And it can be charged with electricity continously 8-10h every time.

Listening music from TF card:
You can insert the TF card with MP3 format music into the TF card slot directly，
and pls. conim if the power switch is in the ON state，
meantime the power indicator light display green color.
Then you can enjoy the music.

Listening FM radio:
Pressing and holding the PLAY/PAUSE button to transfer to FM radio，
and pls. press PLAY/PAUSE button to aearch the channels automatically from 87.5 to 108.

Note:
The earphone is not turned on and the indicator light don\'t display blue color.
1. check if the power switch is moved to the ON.
2. To charge the player， maybe the player need is no power.
Micro SD card have been inserted the card slot， but you cannot play the music even if thye power light flash in green.
And always enter the FM radio mode.
1. To check if the card is inserted in correct.
2. To check if the card have the music， and if the music is MP3 format， other format is invalid.

Specification:
Colors: blue， pink， black， white
Output: 1.8W RMS
Input: DC4.2V/300mAh
Battery capacity: 300mAh
Size: 14x19cm

Package Include:
1 x Bluetooth Stereo Headphone
1 x USB Cable
1 x Audio Cable