1. 3 kinds of colorful light effects can be switched at will to meet different needs. 2. One-click to cancel the original sound, and the original singing becomes the accompaniment. 3. High-definition microphone core, HiFi level speaker. 4. One button to turn on/off the light effect, easy to operate. 5. Bluetooth 5.3 high-speed connection, more stable audio transmission. 6. 57mm shocking loudspeaker, high-quality acoustic structure. 7. Support Bluetooth playback, U disk, TF card, AUX playback. 8. Interesting sound change, free to switch between a variety of different sound effects. 9. Parameters: - Bluetooth version: 5.3 - Playing time: 2-8h - Battery capacity: 1500mAh - Impedance: 4 Ohm - Frequency response: 85HZ-20KHZ - Rated power: 5W - Driver unit: 57mm - Input: DC5V 1A - Standby time: 90 days - Charging time: about 3 hours - Weight: 348g - Dimensions: 92.23x89.28x94.03mm