【Better Sleep Quality】This pillow speaker uses the technology of bone conduction stereo sound, whith allow 4 nature soothing white noise to promote deep and restful sleep, improving the quality of your sleep | 【Bluetooth Technology】Pillow speaker bluetooth can also be connected using Bluetooth, transmitting your favorite relaxing sounds to your pillow through the under pillow speaker. Can adjust the volume of sleep speaker on phone after connecting via Bluetooth | 【Timing Settings】This pillow speakers for sleeping has two timing designs, 30 minutes and 60 minutes. If you don't want to hear sound when you're already asleep, can choose to set the duration of use for the sleep aid speaker | 【Quality Material】The sleep aid speaker uses high-quality ABS material and electroplating, with electronic components inside.Durable and long-lasting. Charged in about 3 hours can work for 20 hours. Able to accompany you through every night | 【Portable and Light Weight】This pillow speaker is only 2.12 ounces, and its slim and compact design allows you to carry it with you at home, in the office, or during travel, keeping you away from insomnia and improving your sleep quality