Innovative Timer Function: Customize your listening experience with our advanced bone conduction pillow speaker, featuring a user-friendly timer function. Easily set a countdown to automatically shut off the device, ensuring a seamless transition to deep sleep without interruption. Compact and Discreet: Designed for convenience and comfort, this slim pillow speaker is barely noticeable, making it perfect for travel or business trips. It easily fits into your luggage without taking up space and offers a stress-free way to enjoy your favorite sounds. Bone Conduction Technology: Experience the joy of nighttime listening with our bone conduction pillow speaker that transmits sound through the vibrations in your pillow instead of through the air. This innovative approach provides a more intimate and comfortable listening experience without the hassle of headphones. Enhanced Interface with LED Display: Stay informed with the upgraded LED display showing vital information such as remaining battery life. Its intuitive controls include a power-saving function and language setting adjustments, ensuring a customizable user experience. Superior Bluetooth 5.3 Connectivity: Equipped with the latest Bluetooth 5.3 technology, our pillow speaker offers quick, easy setup and a reliable connection. Type: Under-Pillow Bluetooth Speaker Vocalism Principle: Bone Conduction Bluetooth Compatible Version: 5.3 Bluetooth Connection Range: 10m Supported Protocols: A2DP 1.3, HFP 1.7, AVRCP 1.6 Impedance: 8Ω Speaker Frequency: 180hz-16000Hz Input Current/Voltage: 5V/250mA Working Voltage: 3.7/4.2V Charging Interface: Type-C Charging Time: Approximately 2 hours Music Playtime: Approximately 8 hours TF Card Support: Yes Color: Black Material: ABS Package Contents: 1 x Speaker 1 x USB Charging Cable Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the real thing. The allowable measurement error is +/- 1-3cm.