Versatile compatibility: Connects to computers, smartphones, and TVs through BT for easy access to your favorite songs. True KTV experience: Comes with a mini microphone and speaker combo for on-the-go karaoke fun. Enhanced audio performance: Full-range speaker and separate bass amplifier deliver powerful, immersive sound. Multi-functional design: Doubles as a mini night light with a cute cartoon design, adding charm to any room. Long-lasting entertainment: Large-capacity lithium battery ensures extended music playback and standby time for worry-free singing. Item Name: Speaker Material: ABS Features: Versatile, Convenient, Portable Output Power: 5W BT Version: Version 5.3 Signal-to-noise Ratio: 70dB Output Power: 10mw (Headphone Output) 5W (Speaker Output) Working Voltage: 3.7V Charging Voltage: DC5V=1A Frequency Range: 20Hz-20kHz Reverb Mode: Echo Reverb Echo Reverb Battery: Built-in Battery 2200mAh Power Adapter: DC5V115db1 KHz THD