1. Rated input: DC5V/300mA 2. Battery capacity: transmitter 600mAh, receiver 500mAh 3. Charging interface: TYPE-C 4. Signal to noise ratio: 90dB 5. Transmission distance: 15m-30m 6. Frequency response range: 30Hz-15KHz 7. Pointer type: Omnidirectional 8. 360-degree all-round high-definition sound pickup, without missing sound details 9. Built-in lithium battery, long battery life 10. The Bluetooth version supports built-in and external microphones 11. Plug and play without Bluetooth version, automatic frequency pairing when power on, effective long-distance output 12. The noise reduction function can be adjusted according to needs when the microphone is recording sound 13. Size: about 4.5x4.9x1.6 cm 14. Weight: about 30 grams
