... , comfortable wearing, good plastic material, HIFI music player gives you stereo music enjoyment. 1.Reader function: plug ... can work more than 15h.3.Play type: MP3,WMA,WVA format, maximum capacity 32GB TF card. ... LED indicator: Green light flash, it works normal. Red light flash, needs to recharge, after flash 1 min,headset shut ... 30s8.OEM are welcome. TF card style MP3 player headphone with various color