Characteristics: Frequency, power supply and control bar, are supported and supported by LED screen. Built-in dual antenna for WiFi and electromagnetic wave, etc., has anti-interference properties and greater transmission distance (30m). High resolution 24-bit/48 kbps, with separate Mic/Line modes for switching. Strong, accessible and quick way to use. Small wireless system, built-in lithium battery, plug and play, easily turned on. Support powered microphone and condenser microphone with powered power supply. XLR to male 6,35mm female microphone adapter power supplies, with audio mixer, recorder, receiver, PA system, amplifier, etc. I provide stable and reliable wireless availability. Technical data: Material: ABS Number of Channels: 6 Width: about 30 meters Duration: Stable 6 hours Power Supply: Built-in USB charging Delay: about 5 ms Dynamic Sound: 110dB Sampling rate: no sound 24bit / 48 kbps Frequency Response: 20Hz-20kHz Antenna Impedance: 50Ω Noise to Noise Ratio: 110dB Battery: 3,7V 400mAh lithium-ion battery; Microphone support: electric microphone and condenser microphone with built-in power supply Item Size: 70 * 30 * 30 mm / 2,76 * 1,18 * 1,18 inch Product Weight: 200g/7,05 oz Package Weight: 300g/10,58oz Package Size: 16,5 * 13,5 * 5,5 cm / 6,50 * 5,31 * 2,17 inch List of things to pack: 1 * sent 1 * Receiver 2 * transfer break 2 * cable 1 * Instructor (English)