The frequency, battery indicator, and signal strength bar are clearly and intuitively displayed on the LED screen.Built in dual antenna that resist to WiFi and electromagnetic wave, etc., features of anti-jamming and has longer transmission distance(30m).24-bit/48kpbs high resolution, with Mic/Line two modes to switch from.Strong, stable and fast receiving signal.Small wireless transmitter system, lithium battery inbuilt, plug and play, easy to operate.Equipped with XLR female to 6.35mm male microphone adapter, compatible with audio mixer, recorder, speaker, PA system, amplifier, etc. Provide stable and reliable wireless transmission.Number of Channels: 6Transmission Distance: About 30 metersDuration: Stable 6 hoursPower Supply: Built in USB chargingDelay: About 5msSound Dynamic: 110dBSampling Rate: No 24bit / 48 kpbs audioFrequency Response Range: 20Hz-20kHzAntenna Impedance: 50SNR: 110dBBattery: 3.7V 400mAh Li-ion batterySupport Microphone Types: Dynamic microphone and condenser microphone with built-in power supplyColour:As ShownMaterial:ABSPackage Contents:2 * Micphone TransmitterOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.