GT-5 Wireless microphone for Electric blowpip SPECIFICATION UHF 600-952MHz frequency range (region dependant) Digital wireless audio transmission 48KHz audio sampling mode Pre-set 16 selectable frequencies Digital ID code, completely solves frequency interference IR sync downloading the frequency from receiver Lithium battery power supply Portable plug-on receiver, plug in the mixer or active speaker directly  Up to 60m line-of-sight operating range Suitable for violin stage performances, street performances, etc. RECEIVER Frequency range: 660-690MHz (region dependant)  Frequency: Pre-set 16 selectable channels  Modulation mode:  pi/4 DQPSK Latency: 92dB   Receiving sensitivity: -92dBm Output: 6.35mm plug Power supply: 3.7V Lithium battery Power consumption:  >6 hours continuosly using Dimensions: 185*20*10mm TRANSMITTER Frequency range:660-690MHz (region dependant)  Modulation mode: pi/4 DQPSK Transmitter power: 10mW Sensitivity: -47 db±2dB Frequency change: IR synch  Microphone type: Condenser Microphone dimension: Φ14*5.0mm    Power supply: 3.7V lithium battery Power consumption:>6 hours continuosly using Dimension: 145*40*27mm