A8--4in1 bluetooth speaker with 4000mAh power bank

1.Amazing  Bluetooth speaker/voice talking function
 2.4000mah power bank for charging
 3.Connect with phone ,MP3,Mp4 etc with 3.5mm audio
    line as a louder speaker  as louder speaker without The audio line
4. As  as a phone supporter

 1)Inner Battery : Full capacity 4000mah 

 2)Battery Input: 5V 1000mAH

 3)Output 5V 1000mAH/2000mAH

 4)Charging time: 3 hours,can recycle use more than 500 times

 5)Connected 2 mobile phones

 6)8 colors can be choose 

 7)wireless bluetooth input ;  

 8)Bluetooth talk hand free ;  
 9)Rubber oil matterial 

10) Size :139 X 30 X 30 mm