Wireless: Digital 2.4GHz
Transmission: Omnidirectional
Built-in Microphone: Frequency Range: 50Hz-20kHz
Sensitivity: -35dB±2dB@1KHz
Sound delay: ＜20ms
Signal to noise ratio: ＞80dB
Bit Depth: 24 bit
Sampling Rate: 48 kHz
Operation Range: 100m (328ft) (Line of Sight)/30m (100ft) for NLOS
Battery Capacity: TX: 80 mAh;
Operating Time: 6 hours;
Charging Time: 1.5 hours
Weight: TX: 9g(0.3oz) Smartphone RX: 4g(0.14oz)