1. Supports one click noise reduction. 2. Lightweight and compact, easy to carry 3. 2.4GHz frequency transmission restores real sound with low latency 4. Supports Type-C interface or 8 Pin interface5. 30 meters back-to-back transmission distance, 80 meters open point-to-point transmission distance6. Long lasting endurance of 6 hours7. Compatible with various wireless devices such as smartphones, tablets, computers, etc8. Can be played out without unplugging the receiving end (8 Pin version)Specifications:Transmission signal: 2.4GHzPolar pattern: OmnidirectionalFrequency response: 100Hz-20KHzDistorion: Less than 0.1%Sampling rate: 48kHzBit Depth: 6bitSignalto noise ratio: Not less than 80dBSensitivity: -38dBTransmission distance: 80 meters point-to-point, 30 meters back-to-backEquivalent isotropic radiated power(EIRP): Transmitter: 9dBm, Receiver: 10dBmEndurance: 6 hoursBattery: 110mAh 3.7VDimensions: TX: 19.26x11.9(16.2Clip)x54.84mm 10g, RX: 14.6x8.0(18.24Clip)x37.85mm 5gPacking 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 18 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 1Specification: Package Weight One Package Weight 0.30kgs / 0.67lb One Package Size 12cm * 8cm * 14cm / 4.72inch * 3.15inch * 5.51inch Qty per Carton 60 Carton Weight 18.00kgs / 39.68lb Carton Size 48cm * 40cm * 42cm / 18.9inch * 15.75inch * 16.54inch Loading Container 20GP: 330 cartons * 60 pcs = 19800 pcs 40HQ: 767 cartons * 60 pcs = 46020 pcs