1. Features: realistic sound effects, fine-tuned voice change, multiple sound effects, built-in microphone, real-time audio track, karaoke, plug and play, smart compatibility
2. Signal-to-noise ratio: 106dB
3. Dynamic range: 106dB
4. Mobile phone interface: 3.5mm
5. Headset interface: 3.5mm
6. Charging interface: USB-C
7. Battery capacity: 400mAh/3.7V
8. Charging input: DV5V/1A
9. Battery energy: 3.7WH
10. Working time: about 3-4 hours with full power
11. Charging time: 0.5-1 hour
12. Product size: 50 x 52 x 17mm
13. Net weight: 30 grams