Features 1、Solid Sound Transfer: The Bluetooth pillow speaker utilizes solid sound transfer to create a unique music experience directly from your pillow. This design ensures that you can enjoy excellent music privately without disturbing others around you, making it suitable for late night listening. 2、Convenient Sleep Timer: With three adjustable auto shut off timer settings, you can easily customize the duration of your listening session without the need to get up in the middle of the night. Enjoy peace of mind and sleep soundly knowing that the speaker will turn off automatically after your desired time. 3、Advanced Bluetooth 5.3 Connectivity: This sleeping pillow speaker features the latest Bluetooth 5.3 technology, which provides a faster and more stable connection with low latency and low power consumption. Experience crisp and clear sound quality without interruptions, allowing you to enjoy your favorite music seamlessly. 4、Versatile Memory Card Playback: The portable pillow speaker supports memory card(not included) playback, enabling you to enjoy your music files directly without needing an additional device. This versatility allows you to create your own individualized playlist and enjoy diverse sound content. 5、Long Lasting Battery Life: Powered by a 400mAh rechargeable polymer Li battery, the bone conduction pillow speaker offers up to 8 hours of continuous playback on a single charge. It charges quickly, ensuring you can enjoy extended listening sessions without the hassle of frequent recharging. Specifications: Item Type: Bluetooth Pillow Speaker Material: ABS Connection: Bluetooth 5.3 Battery: 400mAh Rechargeable Li Battery x 1(Included) Charging Time: Approx. 2 Hours Range: Approx. 10m / 32.8ft Input: 5V 400mA Play Modes: Bluetooth, White Noise, Memory Card (Not Included) Package List 1 x Bluetooth Pillow Speaker 1 x USB Cable 1 x Manual