This Bluetooth speaker boasts rich functionality. It supports Bluetooth connection for pairing with mobile phones and tablets, allows listening to FM radio, and enables playing audio files from USB drives and TF cards. It also supports microphone connection for karaoke. With a portable design weighing only 0.15 kilograms and a top handle, it is easy to carry for various occasions like picnics and camping. It has an excellent battery life, featuring a built-in 2000mAh to 4000mAh battery that can be recharged via USB, providing long-lasting music playback. In terms of performance, it delivers clear and rich sound quality with a frequency response range of 100Hz-20kHz and a signal-to-noise ratio of no less than 75dB, equipped with two speakers. It uses Bluetooth version 4.2 with a stable connection and a transmission range of up to 15 meters. The speaker has a rated power of 20 watts, a rated voltage of 5.1 volts, a plastic enclosure, and an IPX5 water resistance rating. It is available in multiple colors including black, red, and green.