Dual stereo speaker bluetooth speaker, quality sound; covers a wide range of sounds. Double speakers resonance system, 3 sound units, playing beautiful symphony. The sound is clear and beautiful, the bass is full and bright, comparable to the original soundtrack. Large capacity lithium battery, battery life; Built-in noise reduction microphone, clear noise reduction, hands-free call, voice call announcement, one-button reject. External TF card/U disk playback, support memory cards/U disk below 32GB, create your own music libraryEnjoy and listen to your music at home with this designer speaker