J7 Mini Bluetooth Speaker,Bluetooth Outdoor Speaker,Outdoor Bluetooth Speaker

J7 Multi-functional Wireless Speaker

4000mAh  Power bank + waterproof + 10W Speaker + Flashlight

Mini Bluetooth Speaker,Bluetooth Outdoor Speaker,Outdoor Bluetooth Speaker

Patent Product: 

1) Sensitivity micro bluetooth speaker      

2) Metal cavity structure, sound quality more perfect.      

3) Support most of Bluetooth audio device      

4) Call pick up/hang up function, when you busy, won't missed any call.       

5) Built in li-ion battery capacity 4000mAh      

6) With voice reminder function.      

7) Main material :metal , plastic ,accord with CE&ROHS standard 

8) Fine bass 

Specification: 

1. bluetooth Version :  3.0 

2. Wireless transmission power :  CLASS 2-4dBm

3. Working frequency : 2.4GHz

4. Charging voltage : DC5V/500Ma—1A

5. Charging time : 5 hours

6. Charging voltage : 3.7 V

7. Power bank output :  5V 1A 

8. Battery capacity :  4000 mAh 

9. Playback time: 8 hours 

10.Color: pink,  blue, yellow green, black, 

11. Speaker parameter: 4Ω 5w*2  D400MM 

12. THD:≤0.1% 

13. Signal to noise ratio:≥90db 

14. Support bluetooth hands-free function 

15. Support automatic memory last song music 

16. Support external TF card

Parts List: 

1pcs  usb charging cable 

1pcs  user manual 

1pcs  3.5 mm audio line 

1pcs  Bluetooth speaker