Toss and turn all night long? AirCozy Premium makes you enjoy the sleep and say goodbye to insomnia.   Features/Functions: -       Sleep position is being monitored in real-time. -       Full automatically adjusted the pillow height by sleep position. -       Music streaming  -       Built-in 5 white noises  -       Sleep timer  -       Volume adjustment -       Auto fine-tune the height of side-sleep -       Protects your cervical spine and arms -       Healthy sleep solution  -       Improves deep sleep time -       Global patent   Material: -       Pillowcase: TENCEL -       Pillow: Novel memory foam (Softer and bouncier)   Specification: -       Pillow size: S、L -        Input: 110V – 220V ~ 50/60Hz 0.8A -       Output: 12V 2A -        Semi-wearable device: 5V 100 mAh -       Battery capacity of semi-wearable device: 180mAh -       Remote: AAA batter x 2 -       FCC, TELEC, NCC, RoHs Certified