Bone Conduction Technology for Private Listening: This innovative pillow speaker uses bone conduction technology to transmit sound through vibrations, allowing you to enjoy music or white noise without earbuds and without disturbing others. Versatile Dual Playback Modes: Seamlessly switch between Bluetooth 6.0 and TF card modes. The built-in dual stereo speakers deliver a clear and balanced audio experience, whether you're listening to music, nature sounds, or white noise to enhance your sleep. Sleep Timer for a Restful Night: Equipped with a 60-minute auto-off timer, this speaker promotes healthy sleep habits by turning off automatically after you fall asleep, ensuring a peaceful night without unnecessary power consumption. Ultra-Thin Under-Pillow Design: Designed to be slim and discreet, this speaker fits comfortably under your pillow. It's flat enough to not affect your sleep posture or create any discomfort, making it ideal for both home use and travel. Extended Playtime with Fast Charging: The speaker's built-in 400mAh battery provides up to 8 hours of continuous playtime. It features a Type-C charging port for quick and convenient recharging, ready for daily use. Specifications Product Style: Classic Matte Gray Product Material: Exquisite Plastic + Liquid Silicone Connection Method: Bluetooth Usage Environment: Under pillow TF Card Mode: Double-click to switch (memory card not included) Timer Function: 60-minute timer to power off Battery Life: 150mAh Display: High-definition screen Sound Quality: Single-channel audio source Volume Adjustment: Individually adjustable Color: Gray Material: Plastic+Silicone Package Contents: 1* Bone Conduction Bluetooth Speaker 1* Charging Cable 1* User 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.