it integrate the functions of mp3 player,bluetooth and sunglasses.
1Combination of Bluetooth and MP3:When calls come in, the? mp3 player will suspend? and shift to bluetooth operation.? When it comes back to bluetooth operation.
2 PC interface supported:USB
3Digital formats supported: MP3/WAV/WMA
4External hard drive function: Yes
5. Battery tape/capacity: Built-in Lithium lon Polymenr/3.7v,150mAh
6Maximum imput power rating:5VDC,150mA
7.Sound output mode: Stereo