PRIVATE BONE CONDUCTION SPEAKER - NO DISTURBANCE TO PARTNER: Utilizing advanced bone conduction technology, sound is transmitted through pillow vibrations, so only you can hear it while resting your head, without disturbing your partner. UNDER PILLOW SPEAKERS FOR SLEEPING WITH SIDE-SLEEPING COMFORT: Wearing earbuds while side-sleeping can be uncomfortable, and traditional speakers may disrupt your partner. This specially designed pillow speaker ensures comfort whether you sleep on your back or side. SLEEP AID PILLOW SPEAKER: Place the sleep speaker under your pillow to play built-in white noise, audio from a TF card, or audiobooks content from your phone, helping you fall asleep faster. 11 BUILT-IN SOOTHING WHITE NOISE OPTIONS: Equipped with 11 white noise sounds, including flowing water, rain, campfire, wind, birdsong, and trains, this white noise speaker can be used without connecting to other devices or the internet. 3 AUTO-OFF TIMER FUNCTION: Set the playback duration for 30 minutes, 1 hour, or 2 hours to save battery life. After the set time, the under pillow speakers for sleeping automatically turns off. On average, the battery lasts up to 8 hours. DISPLAY SCREEN: Features a display screen that shows battery status, connection type, white noise selection, and playback status, giving you clear and easy access to more information. BLUETOOTH PILLOW SPEAKER WITH TF CARD COMPATIBILITY: Connect your phone wirelessly via Bluetooth or insert a TF card to play white noise, music, audiobooks, or podcasts for a customized listening experience. PS: TF card is not included. Color:Blue Material:TPU Package Contents: 1 * Sleep speaker 1 * Charging cable 1 * English instruction manual