1. Material: ABS, sponge, electronic components
2. Bluetooth version: 5.0
3. Signal to noise ratio: 80dB
4. Frequency response range: 150Hz-15KHz
5. Operating frequency: 2.402G-2.480GHz
6. Output power: 5W
7. Speaker: 52mm, 4 ohm/5W
8. Charging power supply: DC5V/1A
9. Charging time: 4 hours
10. Playing time: 4-6 hours
11. Built-in battery: 2000mAh lithium battery
12. Connection method: USB/TF/Bluetooth connection/Audio cable connection
13. Strengthen mute and shield ambient noise
14. Foam cover design, automatic noise reduction
15. Using professional 16mm large microphone core, the sound is more loud, no noise, no broken sound
