PRIVATE BONE CONDUCTION SPEAKER - NO DISTURBANCE TO PARTNER: Utilizing advanced bone conduction technology, sound is transmitted through pillow vibrations, so 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 Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.