1. Microphone type: omnidirectional electret microphone
2. Receiver audio plug: Type-C plug
3. Battery capacity: 60mAh, input 5V 60mA
4. Charging time: 2 hours
5. Working time: 3-4 hours
6. Transmission range: 10-15m
7. Material: ABS
8. Size: microphone 65x25x25mm, receiver 45x27x7mm
9. Weight: microphone 7.5g, receiver 4.5g