•Noise reduction: Intelligent digital noise reduction is effective in eliminating the generation of noise •2.4GHZ wireless transmission: 2.4GHZ is a wireless Bluetooth digital sampling frequency band, which has the characteristics of stable transmission and long reception distance, strong noise reduction and anti-interference •All-Pointing Sensitive Pickup: Adopt high-quality microphone, full-pointing pickup, strong anti-interference ability and effective identification of the original sound to meet the requirements of noisy environment recording •Plug and play: Simple and convenient to use, no need for cumbersome operation, plug and play Specifications: •Material: ABS •Transmission: 2.4G •Frequency Response: 20Hz-20KHz •Signal-to-Noise Ratio: ≥72dB •Reverberation Function: Supported •Microphone Battery Capacity: 80mAh •Battery Life: 5 hours (microphone) •Charging Case Battery: 600mAh •Battery Life: 24 hours •Transmission Distance: 20m •Charging Time: 2 hours Package included: •2 x Microphone •1 x Receiver •1 x Charging Case •1 x Charging Cable •1 x English User Manual