Karaoke Wireless Microphone with Speaker ASD-178

The ASD-178 is a wireless microphone and HIFI speaker that comes with several features. It includes 4 different voice changing functions, FM radio, the ability to sing songs, take selfies, play music via USB device or Micro SD card, record songs, and plug in AUX cable or earphones. The microphone has a frequency range of 100Hz-10KHz, which is suitable for most voice recordings. It also has a maximum SPL of 110db, which means it can handle loud sound sources without distortion. The microphone's sensitivity is -42db ±2db, which is sensitive enough to capture even soft sounds accurately. The ASI-178 has a battery capacity of 800-1000mAh, and its endurance is around 1-3 hours, depending on usage. Overall, the ASI-178 wireless microphone and HIFI speaker is a versatile device suitable for various applications such as karaoke, live performances, and podcasting.