Digital Noise Reduction Wireless Microphone System 1. Features one-click noise reduction. 2. Lightweight and portable design for easy transportation. 3. Utilizes 2.4GHz frequency transmission to deliver authentic sound with minimal delay. 4. Compatible with Type-C or 8 Pin interfaces. 5. Offers a transmission range of 30 meters for back-to-back and up to 80 meters for open point-to-point. 6. Provides a long-lasting battery life of 6 hours. 7. Works with a variety of wireless devices including smartphones, tablets, and computers. 8. Allows playback without disconnecting the receiver (8 Pin version). Specifications: Transmission signal: 2.4GHz Polar pattern: Omnidirectional Frequency response: 100Hz-20KHz Distortion: Less than 0.1% Sampling rate: 48kHz Bit Depth: 6bit Signal to noise ratio: Not less than 80dB Sensitivity: -38dB Transmission distance: 80 meters point-to-point, 30 meters back-to-back Equivalent isotropic radiated power (EIRP): Transmitter: 9dBm, Receiver: 10dBm Endurance: 6 hours Battery: 110mAh 3.7V Dimensions: TX: 19.26x11.9(16.2Clip)x54.84mm 10g, RX: 14.6x8.0(18.24Clip)x37.85mm 5g Packing list: Type-C version: microphone receiver x 1, microphone transmitter x 2, storage bag x 1, 2 in 1 charging cable x 1, windproof fur x 2, USB adapter x 1, user manual x 1 8 Pin version: microphone receiver x 1, microphone transmitter x 2, storage bag x 1, 2 in 1 charging cable x 1, windproof fur x 2, user manual x 1