2.4G Wireless Office Conference Tour Guide Explainer One-Way One-To-Many Explainer Microphone, YWI22 Transmitter, YWI22 Receiver Option:YWI22 Receiver Compatible with horizontal mounting brackets

Compatible with horizontal mounting brackets

13mm true copper ring composite film dynamic coil unit

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2.4G Wireless Office Conference Tour Guide Explainer One-Way One-To-Many Explainer Microphone, YWI22 Transmitter, YWI22 Receiver Option:YWI22 Receiver Compatible with horizontal mounting bracketsNote: Transmitter and receiver are selected separately and can be matched reasonably according to your needs 1. Operating temperature: 55 125 degrees Celsius 2. Talking distance: about 100 150m barrier free distance 3. Number of channels: 36 4. Frequency: 2. 4GHz 5. Charging interface: Type C 6. Charging Input: DC5V 1A 7. Material: ABS + display 8. Battery capacity: Transmitter: 1000mAh Receiver: 1000mAh 9. Size: Transmitter: about 13 x 5 x 2. 5cm