1. Material: plastic, electronic components
2. Interface: USB
3. Frequency response range: 20HZ-20KHZ
4. Bluetooth protocol: 4.2
5. Effective distance: 10 meters
6. Output power: 3W
7. Charging requirements: USB DC 5V
8. Signal to noise ratio: 80dB
9. Channel: 2.1+1
10. Number of speakers: 1
11. Operation mode: button
12. Built-in battery: 1200mAh lithium battery
13. Playing time: 8 hours
14. Support three playback modes: Bluetooth, TF card and AUX audio
15. The periphery of the speaker is designed with a dust-proof net to protect the speaker
16. Using physical buttons, the operation is simple and fast
17. Dimensions: 16 x 4.15 x 8.2 cm
18. Net weight: 270 grams