Bluetooth Speaker with 4000mAh Power bank

1.Power Rating:2.5W * 2     

2.Frequency response:100-25KHZ    

3.SNR:S/N≥85DB

4.AUX:350-450mV     

5.FM Frequency Range:87.5~108.0MHZ     

6.Bluetooth Version:V2.1+EDR  

7.Transmission Distance:≥25M (No obstacle areas)

8.Distortion:0.1%（3.7V 0.5W）     

9.Power Supply Mode:3.7V Lithium battery     

10.Charge Mode:USB charge

11.Capacity: 4000mAh   

12.Shell Material: Aluminium+Acrylic

13.Support: TF card play, bluetooth music play, Hands-free, company music play and other device music play