Wide Compatibility: Pillow speakers are compatible with almost all audio devices with a 3.5mm jack, such as MP3, MP4, CD players, mobile phones, etc. EASY CONNECTION: Simply place it next to your pillow and connect it to your device, you can enjoy great music without disturbing others, providing impressive true HD and uniquely soft sound, enhancing your music experience. DIY Pillow Speakers: Pillow headphones/small speakers are perfect for listening to relaxing music or self-hypnosis. It plays beautiful music and helps you get a good night's sleep. Exquisite Speakers: Made with exquisite details, fine workmanship and beautiful appearance. Lightweight and easy to carry. Purchase Instructions: It does not support card readers and is not used for listening to music at normal volume. It is used to aid sleep, or for babies to sleep, etc. Sleep Aid Speakers: Pillow music that does not disturb others. Beautiful music helps you sleep well. The 3.5mm jack is compatible with most audio devices such as MP3, MP4, CD players, mobile phones, etc. Light Music HD: Crystal clear high mids and deep bass enhance the music experience Make a music pillow, U-shaped pillow accessory speakers, soft volume, you can sleep peacefully at night, replace the headphones. You can put the speakers in the pillow to make your own music pillow, or you can make the music pillow as a thoughtful gift for others.