A private speaker placed under the pillow delivers sound directly to you, so others outside the bed cannot hear it and your listening does not disturb anyone. Easy shutdown without leaving the bed Doubleclick the On/Off button to power off, no need to get up at night. This keeps you comfortable and uninterrupted. TF card playback for offline listening Supports TF card playback, so you can enjoy music without connecting other devices. No pairing or extra hardware required. Ultralight, slim design for seamless comfort Weighs only 30 g with a flat, slim shape that sits under the pillow with minimal presence. Designed to feel like a natural part of your sleep environment. Specifications and key attributes Private underpillow speaker for direct, private listening On/Off button supports quick shutdown via doubleclick TF card playback for offline music without external devices Weight: 30 g; form factor: slim and flat for underpillow placement Use scenarios Night time listening: Play music, ambient sounds, or sleep aids from a TF card to help you fall asleep without waking a partner. Travel or shared living spaces: Use offline TF card playback to enjoy music in hotel rooms, dorms, or shared bedrooms without carrying extra devices. Quiet listening: In any setting where others are nearby, listen privately to your audio while keeping noise to yourself. This description preserves the original product features and functionality, presented in a clear, readerfriendly format with practical use cases.