1.Home's Warmth with One Touch: The SA18 is a versatile sound machine designed for sleep, featuring a 3-minute recording function, 24 soothing sounds, 7 night light colors, and a Bluetooth speaker. With its 2000mAh rechargeable battery, it provides comfort and a sense of presence for babies, even when you're away, while also helping adults relax and sleep better 2.Auditory Feast with Crystal - he sound machine features a 3W speaker and advanced Bluetooth, ing 16 white noise and natural sounds, plus 8 little boy and little gril's sounds. Designed to help both adults and little boy and little gril sleep better, it provides an excellent auditory experience for improved sleep quality 3.Colorful Mood Lighting, Peaceful Nights:The SA18 seven color options and six brightness levels, creating the perfect sleep atmosphere for you and your little ones, promoting relaxation and a peaceful transition to sleep 4.Ease of Use at Your Fingertips: This sound machine simplifies your bedtime routine with intuitive features like a custom recording option and smart timers that gradually fade the audio, ensuring uninterrupted sleep. The built-in 2000mAh rechargeable battery ensures that this sound machine is always ready, making it a valuable addition to any home