Item Type: Sound Machine Material: ABS Battery Type: Lithium Battery (Shipped with Built in Battery) Battery Capacity: 1000 mAh 26 Types of Music: (6 White Noise, 6 Fan Sounds, 4 Lullabies, 10 Nature Sounds) Warm Light Adjustment: 5 Settings Time Setting: 3 Types (30, 60, 90 Minutes) Package List: 1 x Sound Machine 1 x Charging Cable 1 x Manual Note: 1. Do not use an adapter with more than 5V to charge the device. Otherwise the device may be damaged. 2 . If not used for a long time, please fully charge the device once every three months to avoid damaging the battery. 3. This speaker is not waterproof, please do not rinse or soak the body. 4. The power indicator is off and the unit is in shutdown mode. The power indicator light is on, but the function is not executed, standby mode.