1. 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. 2. 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. 3. 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... 4. 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. Material: ABS Speaker size: 90x6.5x7.5mm Microphone size: 28x70mm Bluetooth version: 5.0 Power: 6W Voltage: 3.7V Power supply: DC5V/1A Battery capacity: 2000mAh Package Include: 1 x Bluetooth Speaker & Wireless Microphone 1 x Charge Cable 1 x Instruction Manual Note Due to photo lighting problems, the color of the picture may be slightly different. Due to manual measurement, the size may have an error of 1-2cm.