SHIDU U50 Universal Wireless Microphone (2000mAh, 6.5mm Interface)

Model: U50 | Frequency Range: 20–20,000Hz | Transmitter Parameters: Battery Capacity: 3.7V 2000mAh | Output Impedance: 600Ω ± 30% | Size: 256.8×53.5mm | Weight: 298g | Function Interface: Long press to switch, short press to change frequency point, quick triple press to pair | Receiver Parameters: Size: 155.2×23.5×43.8mm | Weight: 63g | Function Interface: Output: 6.5mm MIC Plug / Input: Micro-USB Charging Port