Features:Compatible with 3.5mm jack, suitable for most electronic devices such as iPod, MP3, MP4, radio, CD player, etc.Thickness: 1.2cmDiameter: 6cmCable length: 113cmWeight: 34gColor: WhitePackage Contents:1 x 3.5mm Pillow Speaker[Plug and Play]---The speaker under the pillow, just put it next to the pillow and connect it to the device, you can enjoy beautiful music without disturbing others.Under the Pillow Speaker---Play beautiful music to help you sleep. It is perfect for listening to relaxing music, self-hypnosis or soothing your baby, so that you can have a good sleep and help you fall asleep.[Strong Compatibility]---Suitable for most devices, compatible with almost all 3.5mm audio devices such as MP3, MP4, CD players, mobile phones, iPods, etc.[HD Sound Quality]---Provides impressive real HD sound and unique smooth sound to enhance your music experience.[Portable Mini Size]---Exquisite surface treatment, beautiful appearance. Lightweight and easy to transport.