Type 1:       Use sound machine to create a peaceful sleep environment, fall asleep faster and wake up completely rested. With 8 soothing sounds and auto-off timer.    Features:  8 Soothing Sound: White sound, bird, rain, waves sound and 4 lullabies  Voice recording function: Mother could pre-recorded the voice, baby will hear mother's voice firstly when he wake up.  Voice Sencor: when baby's noice over 75DB,it'll play automatically.  Multiple of Uses: You can use it to help you fall asleep, turn out distractions, or boost your focus while you study or work.  Auto-off Timer: The auto-off timer can be set for 15, 30, 45 minutes to save energy.  Adjustable Volume: Adjustable volume control allows you get the sound just right.  Great For Travel: Small size and lightweight, easily fits into a bag or suitcase making it the perfect travel companion.    Notes:  Don't use abnormal batteries, avoiding product damage or security risk.  Don't disassemble or repair the product by yourself, it may hurt yourself or damage product.  Please keep product away from water.  Don't use corrosive detergent to clean the product.    Specifications:  Color: Pink / Blue (Optional)  Battery: 3 * AAA Battery (Not Included)  Product Size: 13 * 8 * 4cm / 5.1 * 3.1 * 1.6in  Product Weight: 143g / 5oz  Package Size: 21 * 20 * 6cm / 8.3 * 7.9 * 2.3in  Package Weight: 156g / 5.5oz    Package List:  1 * Sleep sound machine  1 * Hanging Rope  1 * User manual