Features: Experience clear sound with this Pillow Speaker, featuring advanced Bone Conduct technology and Bluetooth-compatible for seamlessly connection and stabled auditory transmission. This metal speaker includes LED display for precise battery monitoring and supports both Bluetooth-compatible and small memory card playback. The speaker can be under your pillow enhances auditory experience, especially beneficial for side sleepers. Improve sleep, from busy professional to students needing a restfully night. Perfectly for use during bed time, meditating,need to unwind and de stress after long day. This metal durability pillow speaker seamlessly integrates with your devices through wireless Bluetooth-compatible, making it a reliabledly for achieving tranquility and relaxation. Specifications: Size:about 10x2.8cm/3.94x1.1in Battery：400mAh Charging Time：about 3hours Component: Metal Color： Optional With Bone Conduct Technology Weight：about 38.2g Package Includes: 1PC Wireless Pillow Speaker note: Please allow 0-1cm error due to manual measurement. please make sure do not mind before bid. Due to the differences between different monitors, the picture may not reflect the actual color.