BD13 TV Shape Retro Bluetooth Wireless Speaker Mini Portable Card Audio(Black)

1. Material: ABS
2. Weight: 190g
3. Size: 75x39x76mm
4. Channel: 2
5. Signal to noise ratio: greater than or equal to 70db
6. Output power: 3W
7. Interface type: USB
8. Power supply mode: built-in lithium battery
9. Battery capacity: 400mAh
10. Playing time: about 5-10 hours
11. Bluetooth version: 5.0
12. Number of speakers: 1
13. Effective distance: 10 meters
14. Bluetooth protocol: 5.0
15. Charging time: 4 hours
16. Frequency response range: 40Hz-20KHz
17. Function: insert card/radio/voice prompt/call function

Packing list:
Host x 1
Charging cable x 1
Sling x 1
Manual x 1