(1)100% wireless, portable, perfect to carry anywhere anytime

(2)Can be attached to carrier, stroller, car seat, crib etc.

(3)4 sound options: light music, white noise, natural sound, sound in womb

(4)Up to 20 built-in relaxing sounds to soothe babies to sleep

(5)No need for WiFi or download, plug and play, easy to use

(6)3 auto-off timer settings: 30/60/90 minutes

(7)1200mAh rechargeable battery, long standby