Features: -LED light modes: the colorful lights will move according to the rhythm and rhythm of the music, adding a bunch of colorful notes to the music. -Support hands-free call function, built-in high-sensitivity microphone, so that mobile phone calls have an extremely smooth call enjoyment. - generation bluetooth chip technology, low energy consumption, strong stable signal, fast pairing, fast switching and so on. -1200mAh big battery capacity, 3 hours of music playback. -TWS wireless series connection.