Bone Conduction Under Pillow Speaker Bluetooth, Travel Bluetooth Pillow Speaker for Sleeping, Privacy Under Pillow Sound Machine Deep Bass with 11 White Noise and 3 Timer Function

Bone Conduction Technology: Pillow speakers use advanced bone conduction technology. Sound waves generated by bone conduction travel through the air to our eardrums, causing them to vibrate and get rid of the pain caused by wearing earplugs for a long time 11 Sound Effects and 3 Timers: The sleep speaker has 11 natural sound effects (birds, cars, wind, campfire, water, rain, etc.) and 3 timer modes (30 minutes, 60 minutes, 120 minutes), which you can customize according to your own preferences for relaxation and sleep 2 Ways to Use: You can choose to connect the under-pillow speaker via Bluetooth, or you can choose to connect the pre-stored audio via SD card (without SD card). It can be used for 8-10 hours on a single charge, enough to last an entire night Sleep Companion: Pillow Bluetooth Audio is designed for your sleep, simply place it under your pillow to experience the sound in the softest, most personalized way, allowing you to fall asleep comfortably, and most importantly it won't disturb your partner Lightweight and Portable: The back of the speaker is designed with non-slip silicone, which is very comfortable in the hand, and weighs only 1.64 ounces, which is very small and suitable for travel and business trips.