The Green Lion 2 in 1 Karaoke Speaker is a versatile and energetic device suitable for music lovers and partygoers. It features a 5W power output, delivering clear and sharp sounds. The speaker supports Bluetooth 5.3 technology, enabling smooth wireless connectivity to stream your favorite music. It has a 1200mAh battery for up to 2 hours of playback, and two microphones with 500mAh batteries each providing up to 18 hours of karaoke playback. The device also includes RGB LED lights to enhance the atmosphere, TF card support for playing music from various sources, and a low latency of 40ms. It has a charging time of 2.5 hours for the microphones and 3.5 to 4 hours for the speaker.