1.   Capacity: 4000mAh
2.   Cell: Li-Ion 18650
3.   Input: 5V 1A
4.   Output: 5V 1A
5.   Input charge time: 4 hrs
6.   Case material: ABS
7.   Size: Ф40x120mm
8.   Weight: 200g
9.   Color: Black, Blue
   Built-in microphone   

   10M wireless Bluetooth speaker   

   Insert Micro SD card to play music