1. Material: aluminum + plastic + with iron mesh
2. Sound channel: 2.1
3. Bluetooth version: 5.0
4. Playback format: MP3
5. Interface type: USB
6. Output power: 3W
7. Power input: DC5V
8. Extended storage: 32GB
9. Connection mode: Bluetooth connection
10. Signal-to-noise ratio: greater than or equal to 75dB
11. Frequency response range: 60Hz-15KHz
12. Bluetooth name: BT-SPEAKER
13. Power supply: built-in lithium battery 300mA / h
14. Support U disk, AUX, computer, TF, Bluetooth connection
15. Bluetooth distance: within 10 meters, there are obstacles in the way will be affected
16. Weight: 87.9g
17. Size: 7x7x5.5cm