Bluetooth/TF card/USB flash drive/AUX colorful RGB sound and light. 360 ° surround sound is both a speaker and a karaoke player. High quality speaker, ultra strong diaphragm, enhances sound effect. Multiple magical sound effects and 5 fun voice changes. 5 lighting modes. Please note that there is no Bluetooth call and no TWS pairing function. Speaker battery capacity: 3.7V, 1200mAh. Microphone: 500mAh. Power: 5W. Charging time: 3H