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; Charging case: 400 mAh

Operating Time: 6 hours; Charging case: ＞1.5 times charging

Charging Time: 1.5 hours

Weight: TX: 9g(0.3oz) Smartphone RX: 4g(0.14oz)

Size: Charge case: 90 x 42 x 67(3.5″ x 1.7″ x 2.6″)