Create a soothing sleep environment with this portable white noise machine, featuring natural sound effects and gentle LED night light for babies and adults. Features: Remote Music Playback: Connect via Bluetooth to play your own music, creating a relaxing atmosphere that helps you fall asleep naturally. Sound Conduction Technology: Converts the contact surface into a 3D stereo speaker, delivering immersive sound without harming the ears with 360 degrees surround and 3D spatial effects. Professional DSP Audio Processing: Equipped with DSP chip and full digital circuit platform to optimize sound unit performance for clear highs and full bass. Dual Mode Playback: Supports Bluetooth and TF card playback, can be used while charging with 300 mAh battery providing 3-4 hours of continuous play. 10 Soothing White Noise Sounds: Includes rain, ocean waves, birds, flowing water, frogs, and meditative tones to mask background noise and improve sleep quality. LED Mood Night Light: Colorful LED light changes with the music, offering a unique visual experience. Timer Function: Auto shut-off after 30 or 60 minutes to meet different sleep needs. Specifications: Material: ABS + Electronic Components Color: White Size (LxW): 6 x 3 cm Bluetooth Version: 5.0 Mode Switching: Bluetooth / TF Card / White Noise Playback Mode: Bluetooth / TF Card(Not Included) Effective Distance: 10 meters (obstacle-free) Working Voltage: 5V Charging Power: DC5V Charging Time: 1 Hour Usage Duration: 3-4 Hours Timer: 30/60 Minutes Battery Capacity: 300 mAh Power Supply Method: USB Type-C Charging (Adapter Not Included) Package Contents: 1 x Sleep Sound Machine 1 x Type-C Charging Cable 1 x