Microphone head: digital silicon mark

Input voltage: 5V

Battery capacity: 70mAh

Charging case battery; 300 MAH

Endurance: 6 hours

Signal-to-Noise Ratio: 64DBM, Adaptive Noise Reduction

Transmission delay: 30MS

Sensitivity: -42DB

Frequency response range: 20-20KHZ

Transmission distance: 15 meters without obstacles

Automatic connection: supported

Noise reduction: Supported

Reverb: Supported

External playback: supported

Headphone monitoring: supported

Pause mode: Supported

Unit weight: 13g

Weight of the whole set: 75g