Feature: 1. Smart White Noise Sleep Aid Machine: Provides the best white noise sleep experience, helping to fall asleep peacefully, creating a tranquil environment for a restful night's sleep every night. 2. Breathing Light And Speaker Function: Adjust mood and emotions, creating a tranquil sleep environment, promoting relaxation and enhancing overall well being for a rejuvenating night's rest. 3. Excellent Speaker Effect: Offers clear and soothe sounds to relax and calm your mind, providing a peaceful and serene aura for unwinding and destress after a long day. 4. Exquisite Design And Portable Size: Suitable for home, office, travel, etc., versatile white noise machine offers convenience and relaxation wherever you go, ensuring a tranquil environment for rest and rejuvenation, no matter the location. 5. Easy Operation: Simple to use, allowing you to easily fall asleep and enjoy a restful and rejuvenating sleep experience, enhancing your overall well being and promoting a sense of calm and relaxation. Specification: Item Title: Mini Portable Sound Machine Material: Plastic Size:Approx.10 x 10 x 4cm / 3.9 x 3.9 x 1.6in Battery Type: Li Ion 900mAh (built in). Package List: 1 x White Noise Sleep Machine 1 x USB Charging Cable 1 x User Manual