Sleep instrument Intelligent soothing baby sleep aid night light slow wave white noise sleep instrument

1: Sleep meter Power mode: battery type 2: Sleep meter white noise 3: Sleep aid Color: White (27 sleep aids + 3 lights + timing) Product Category: Hand Grip Built-in battery capacity: 1000mAh-1200mAh (inclusive) Whether it has a built-in battery: built-in battery Battery life: more than 12h