Wireless Whisper Tour Simultaneous Interpretation Conference/Guide 3000MAh Lot

  
Wireless Whisper Tour Guide System Simultaneous Interpretation System. Frequency: 794 -806MHz / 863-865MHz / 902-928MHz. Size: 905520mm; RF power: 0. Weight: 96g; channel numbers: customized.

Battery: 3000 MAh, lithium polymer battery. Charging method: charging base and Micro USB cable. Frequency: 794-806MHz / 863-865MHz 1 902-928MHz. There is a transparent card in front of the device, you can customize the logo. Can go through the wall.

And can't be interfered. They have super long working time. The transmitter can work 11 hours, and the receiver can work 40 hours.