The Product Specification:

1.name : bluetooth speaker

2.weight :130g

3.Size:99*98*98 mm

4. support :TF card and MP3

5.Origin: China

6.Audio output : wireless or mini USB jack

7.power source : inside battery

8.Material: plastic

9.Battery playing time : up to 5 hours

10.battery campacity : 1000MA

11.Impedance :4 ohms 

12.output power :6W

13.SNR:> 80db

14:DC 5 V 1A

14.Frequency response :20HZ-30KHZ

15.working distance :> 10M