【High-Quality Audio】Experience crystal-clear sound with a maximum power output of 5W, 90dB signal-to-noise ratio, and a wide frequency response range of 45~20kHz for comfortable listening. 【Versatile Connectivity】Equipped with Bluetooth-compatible 5.3 for wireless connection up to 10 meters, 3.5mm AUX input for wired audio sources, and TF card support up to 32GB for MP3 and WAV playback. 【Colorful Light Show】Enjoy a vibrant atmosphere with adjustable multi-color lighting modes, perfect for enhancing your karaoke experience. 【Universal Compatibility】Works seamlessly with all karaoke software and connects to various devices including smartphones, tablets, computers, and TVs. 【Long-lasting Performance】Built-in rechargeable batteries provide 2-3 hours of playtime at maximum volume, ensuring extended entertainment sessions. 【Portable Design】Compact and lightweight, this karaoke microphone speaker is ideal for children's parties, outdoor gatherings, or home entertainment. Specifications: Model: T99 Maximum Power Output: 5W Signal-to-Noise Ratio: 90dB Distortion Rate: 10% Frequency Response: 45~20kHz Speaker Unit: 4Ω5W 52mm Impedance: 4Ω Bluetooth-compatible Version: 5.3 Transmission Distance: ≥10 meters Supported Audio Formats: MP3, WAV (Does not support WMA) TF Card Support: Up to 32GB Charging Port: Type-C (for speaker charging only) Battery Capacity: Speaker - 18650, 3.7V, 800mAh; Microphone - 300mAh Playtime: 2-3 hours at maximum volume Charging Time: Approximately 2-3 hours Input: DC 5V-1A