Innovative Timing Function: Tailor your listening experience with our advanced bone conduction pillow speaker, featuring a user-friendly timing function. Easily set a countdown timer to automatically turn off the device, ensuring a seamless transition to deep sleep without any interruptions. Compact and Discreet: Designed for convenience and comfort, this thin, pillow speaker is barely noticeable, making it perfect travel or business trips. It fits effortlessly in your luggage without adding bulk, offering a stress-free way to enjoy your favorite sounds . Bone Conduction Technology: Experience the 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 that showcases essential information such the remaining battery life. Its intuitive controls include a power-saving feature 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 a quick, effortless setup and a reliable connection. Type: Under Pillow Bluetooth Speaker Vocalism unit: Bone conduction Bluetooth-compatible version: 5.3 Bluetooth Connection range: . 10m Supported protocols: A2DP 1.3, HFP 1.7, AVRCP 1.6 Impedance: 8 Speaker frequency: 180hz-16000Hz Input current or voltage: 5V or 250mA Working voltage: 3.7 or 4.2V Charging interface: Type-C Charging time: About 2 hours Music play time: About 8 hours TF card support: Yes Colour:Black Material:ABS Package Contents: 1pc x Speaker 1pc x USB Charging Cable 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.