2.4G Wireless Office Conference Tour Guide Explainer One-Way One-To-Many Explainer Microphone Note: 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 - Receiver: about 8.1 x 4.5 x 1.9cm 10. Weight: - Transmitter: about 62.2g - Receiver: about 42g Features: 1. Wireless explainerreceiver mainly transmits the voice content through the device, and the receiver can realise one person to explain and many people to listen under the same channel 2. 2.4G frequency band, strong anti-interference ability, high confidentiality, multi-channel 3. Channel number, signal and other basic information are displayed through the OLED screen 4. Key, knob use, simple operation, beautiful and generous 5. Transmission distance is far, 100-150 metres without obstacle distance Packing list: - Transmitterreceiver x 1 - Microphone ( transmitter ) Earphone ( receiver ) x 1 - Type-C charging cable x 1 - Lanyard x 1 - Instruction manual x 1