KTV Wireless Microphone and Hifi Speaker. Key features include:
Connectivity: Uses Bluetooth technology for wireless connection.
Audio: Features echo sound effect reverberation and a 5W output power.
Portability: Portable, durable, and lightweight, making it easy to carry.
Power: Powered by a built-in rechargeable lithium battery.
Functionality: Functions as a microphone, speaker, music player, and recorder.