Perfect gift for newborn parents, newborn mother, newborn father, baby shower, birthday, Christmas, festival and so on.<br> Frequency, battery indicator and signal strength bar are clearly and intuitively displayed on the LED screen.<br> Built-in dual antenna resistant to WiFi and electromagnetic wave, etc., has anti-interference properties and has a greater transmission distance (30m).<br> High resolution 24-bit/48 kbps, with two Mic/Line modes for switching.<br> Strong, stable and fast signal reception.<br> Small wireless transmitter system, built-in lithium battery, plug and play, easy to operate.<br> Support dynamic microphone and condenser microphone with built-in power supply.<br> Equipped with XLR to male 6,35mm female microphone adapter, compatible with audio mixer, recorder, speaker, PA system, amplifier, etc. Provides stable and reliable wireless transmission.<br> Technical data:<br> Material: ABS<br> Number of Channels: 6<br> Transmission distance: about 30 meters<br> Duration: Stable 6 hours<br> Power Supply: Built-in USB charging<br> Delay: about 5 ms<br> Dynamic Sound: 110dB<br> Sampling rate: no sound 24bit / 48 kbps<br> Frequency Response: 20Hz-20kHz<br> Antenna Impedance: 50Ω<br> SNR: 110dB<br> Battery: 3,7V 400mAh lithium-ion battery;<br> Microphone Type Support: Dynamic Microphone and Condenser Microphone with Built-in Power Supply<br> Item Size: 70*30*30mm/2,76*1,18*1,18inch<br> Product Weight: 200g/7,05 oz<br> Package Weight: 300g/10.58oz<br> Package Size: 16,5 * 13,5 * 5,5 cm / 6,50 * 5,31 * 2,17 inch<br> List of things to pack:<br> 1 * Transmitter<br> 1 * Receiver<br> 2 * transfer plug<br> 2 * cable<br> 1 * Instruction (English)