Carta a compradores mexicanos 1. El almacén de México está agotado, por favor no elija el envío desde México, sólo elija el envío desde China. 2. Envío desde el almacén de China: elija logística estándar de 360lion, envío gratis y libre de impuestos. Realization of wireless singing 0V, 5V, 48V voltage adjustment, compatible with dynamic microphone and condenser microphone, dynamic microphone is 0V, condenser microphone or recording microphone is 5V, phantom condenser microphone is 48V/Ultra-long working distance/ Wireless transmission 60-80M pickup distance, anti-interference and anti-howling, clear sound effect.Long-lasting battery life Built-in 1000mAh high-capacity battery, the use time is up to 6-8 hours./Supports 4 groups at the same time/ UHF automatic frequency 16 frequency groups, without interfering with each other. If the frequency is interrupted for any reason, you can use the ID code to connect the microphone transmitter and receivertransmitter and receiver.Clear LED display Real-time display of the frequency band and battery level, allowing you to pay attention to the battery level in time, easy to use. Highlight the on/off status of the machine to prevent forgetting to turn it off./Equipped with XLR to 6.35 Plug for Receiver/ Can be used for speakers, mixers, power amplifiers, guitars and other audio equipment./Technical Parameters/ Frequency range: 500-980MHz Adjustable channel: 16 adjustable frequency points Channel spacing: 0.5-2.5 MHz Modulation method: DQPSKFrequency Stability: ±3 PPM Frequency response: 40Hz-20KHz Working range: 50-80M Built-in battery: 1000 lithium battery Working voltage: 3.7V/Packing List/ Transmitter/1 Receiver/1 XLR to 6.35 plug/1 6.35 to XLR plug/1 Charging cable/1