BT 5.0 chip, strong anti-interference, quick connection, and an effective and stable transmission range of 10 meters; large 40mm speaker with a strong mega bass sound effect; stable transmission sound, a large capacity battery with a capacity of 300mAh, and a long battery life of 20 hours; multifunctional, free music listening in both wired and wireless modes; lightweight, portable, and foldable design; multipurpose freestanding button, simple one-button operation, music control, and phone pick-up/hang-up capabilities;