Porodo 2.4ghz Bt Microphone With Transmitter Receiver Noise Reductio

Connectivity: 2.4 GHz wireless transmission, Bluetooth support Audio Type: Dual wireless microphone with transmitter and receiver Battery: 400 mAh (mic and receiver), up to 10 to 12 hours usage Range: Up to 15 to 30 meters transmission distance Frequency Response: 20 Hz to 20 kHz Noise Reduction: Intelligent noise cancellation, ≥75 dB SNR Compatibility: Smartphones, cameras, laptops, Type-C and 3.5 mm devices