Shenzhen Yusheng Technology Limited Company [China]

1.Beautiful appearance 2.High capacity 3.Easy to take

 Quick details:

2 in 1 protable charger and speaker

Material: brushed aluminium  

unit size: 131x31mm         

capacity: 2200 mAh          

voltage: 3.7V                          

usb input voltage: 5V            

usb input electricity: 700mAh    

usb output voltage: 5V          

usb output electricity: 600mAh                                                 

 power for speaker: 1.5w      

 impedance: 4 ohm               

 frequency range: 200-20000 Hz

2 in 1 protable charger and speaker