1. Four-in-one Karaoke Bluetooth Microphone: This portable wireless microphone can function as a microphone, Bluetooth speaker, megaphone, and recorder. With this home Karaoke machine, one can sing or record their voice at various times and places. 2. Audio Effects: It is equipped with an audio processor and tuning system, along with a three - layer pop filter, creating a KTV - like sound effect environment and echo reverberation effects. This Karaoke singing microphone also has four magic sound effects, namely children's voice, female voice, male voice, and old man's voice, adding more fun. 3. Battery Life: It uses a rechargeable battery. After a full charge, it can be used continuously for up to 8 hours, which is suitable for parties, family gatherings, and special occasions. 4. Connection and Compatibility: It supports Bluetooth and 3.5mm audio cable connection. This singing microphone can connect to Bluetooth devices such as Android phones, iPhones, computers, etc., and is compatible with applications like YouTube and Smule. 5. Christmas Gift: This black Bluetooth wireless microphone will flash dynamic LED lights according to the voice and music volume, giving one a feeling of being in a disco. It is suitable for children... Color Name: Black