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YS-219 Dual Mic Audio Microphone
- Speaker power: 10 W
- Signal-to-noise ratio: ≥115dB
- Frequency response range：20～20KHZ
- Built-in battery: 3000mAH
- Charging time: 5 hours
- Playback time: 5-8 hours at medium volume
- Charger requirements: 5V / 1A/2A
- Function: Insert TF card for playback / Insert U disk for playback / With sound switching function
