Upgraded Five-Point Safety Harness : Safety is our top priority. The swing is equipped with an advanced five-point safety harness, which is more secure than traditional three-point designs and includes wider shoulder pads for extra comfort during use. Exclusive App & Bluetooth Function Our baby swing is the only one on the market with an exclusive app for simple, smart control. Besides remote and IMD touch screen options, our app connects via Bluetooth to play your baby's favorite music directly from your phone, enhancing every moment with ease. Scientific Swinging and Soothing Music : The baby swing for infants offers five scientifically designed swinging angles (18 , 21 , 23 , 25 , and 31 ) that mimic a parent's natural rocking motion. With 10 built-in lullabies and Bluetooth music playback, your baby can enjoy a relaxing and enjoyable experience.