With box HOT SALE OVER-EAR WIRELESS HEADPHONE EARPHONE play music by SD/TF card

1.Reader function: plug in TF card, con- nect to computer by USB 2.0 cable, then download music and studying material
2.Power supply: inlay rechargeable Li battery, use high efficient components, it can work more than 15h.
3.Play type: MP3,WMA,WVA format, maximum capacity 32GB TF card.
4.Sound design: Use best horn, ensure HI-FI acoustic. Use best decode chip, WAV original sound decode.
5.Headset function: Take wheat audio line (select) connects headset and PC mic port, you can talk by internet
6.LED indicator:
    Green light flash, it works normal.
    Red light flash, needs to recharge, after flash 1 min,headset shut off auto.
    Charging, red light keeps flashing, light stop, the battery is full of power. 
7.Press on/off button, it shut off auto after 30s.