BN wireless small speaker microphone karaoke

Calling power: 6W Working voltage: 3.7V Frequency range: 20HZ-20KHZ Reverb: Echo sound effect reverb Power adapter: DC5V≤1A (can be used with mobile phone chargers) Battery Specifications: 2000mAh Charging time: about 2.5 hours Specifications: Super Sound Quality- A mini karaoke machine with a stylish appearance and simple operation for both kids and adults to enjoy. Bluetooth speaker is equipped with a high-performance audio driver and an advanced digital signal processor, which make the sound clearer and avoids annoying mike feedback. Bluetooth 5.0- Instant pairing to your mobile devices with great stability. The wireless mic will auto connect with the speaker when power on, distance up to 32 feet.Supports a TF stored with MP3 songs. Long Playback Time- Built-in rechargeable battery, ensures 5-10 hours fun. Quicker charging, and long-time lasting. Having fun without any interruption.Birthday party, meeting, classroom, outdoor activities...This portable Bluetooth speaker and wireless microphone will meet all of your "fun singing" needs. Multi-function Karaoke Machine- Come with 4 kinds of magic voices, fun and interesting for kids. The LED lights beats with the rhythm of the music, creating a fun atmosphere. Internal vocal removal function so you can sing to your favorite songs! Headphone output port on back. Perfect for singing practice, home family karaoke, small enough to bring when you travel.