Portable Wireless Teacher Voice Amplifier,speaker Built-in,with 2 Wireless Lapel Mics,for Class,lecture,training Speech

Power supply mode: usb charging

Working voltage: 36v and below

Battery properties: rechargeable battery

Rechargeable battery: lithium battery--18650 series

Wireless attributes: including bluetooth function

Connector type: usbtype-c

Product category:microphone system

Special functions: volume control, battery indicator light, one-button recording

Recommended uses for products: video conferencing, streaming media

Battery capacity (mah): 2000

Origin:china