Feature: 1. 26 TYPES OF MUSIC: Sound machine with 26 types of music, 6 white noise, 6 fan sounds, 4 lullabies, 10 nature sounds. 2. LIGHT AND TIME SETTINGS: Sound machine with 5 levels of warm light, 7 dazzling lights and 3 time settings (30, 60, 90 minutes). 3. MEMORY FUNCTION: The portable sound machine has a memory function, so that when you use it again, the mode will be the one you set last time. 4. BACKLIGHT, VOICE REMINDER: Portable sound machine can recognise the on button and the warm light button in the dark, timer and initial music alert. 5. LONG BATTERY LIFE: Portable sleep sound machine with built in 1000 mAh battery for long battery life. Specification: 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.