Features:

2 Wireless microphones for best sound captioning
Intelligent noise reduction
Hanging clip at microphones
Charging case for extended use and storage
Plug and play – works without an app
USB-C receiver

Technical specifications:
Frequency / range / rate 2.4GHz / 20Hz-20KHz / 32KHz
Transmitting distance About 15m
Latency 30ms
SNR 64dB (3 level)
Sensitivity 38 dB
Battery capacity microphone 70 mAh / 3.7 V
Battery capacity case 600 mAh / 3.7 V
Charging input DC 5 V / 2 A (USB Type C port)
Charging time Approx. 1.5 h
Recharging times 4 times
Working time Approx. 6h
Working temperature 0-60°C
Material ABS