Overview: Have you ever felt pain in your ears while listening to music or watching videos with earphones while sleeping? Say goodbye to in-ear headphones and ear pains. Our pillow speaker is a bone conduction speaker that sits under your pillow and turns your pillow into a speaker. It enables you to listen to music easily and privately without disturbing the one next to you. Wish you a happy sleep at the end of the day! Features: Bone Conduction Pillow Speaker: When you take a nap during the day or go to bed at night, you can create a happy sleep environment just by putting the speaker under your pillow. Enjoy the healing time with your favorite music during your precious sleep time. BT5.0 Stable Connection: The pillow speaker comes with BT5.0 that boasts faster pairing speed, wider transmission range and wider data transfer. No need to worry about losing your music even when it's under your pillow. TF Card Music Playback: The pillow ppeaker can also play music with a TF card (Max. 16GB, NOT included ). Download your favorite songs or white noise into your TF card and plug it into the speaker, and you can enjoy it immediately. 30/60 Mins Timer Setting: You can set timer when you want to listen to music before fall asleep but do not want it to be playing until morning. Press the power button three times to sound the beep, then press the volume button to set 30 or 60 minutes timing. Mini and Portable Size: The thickness of the ultra thin pillow speaker is 12mm and the weight is 38g. Light and compact size, easy to carry, can be used anywhere at any time, whether you're resting alone at home, traveling with friends, or on a business trip. Built-in Battery & Fast Charging: The speaker with built-in 400mAh battery can be fully charged in 1 hour, and last up to 10 hours of working time. You can use it for about 1 hour with a music volume of 70% after charging for 10 minutes. Hands-free Phone Calls: Equipped with built-in microphone, you can make stable calls and hear clear sounds via BT connection. Just put the speaker near your ear and make phone calls without holding up your phone. Note: 1. When setting timer, "One", "Two", and "Zero" are the sounds at the present stage, please refer to the actural items. 2. Depending on the material of the pillow and the volume of the pillow, the sound may be cloudy or leakage may occur. 3. If you place the speaker under your pillow when a call coming, it will be difficult to hear sound in the microphone. 4. Battery life may vary depending on the usage environment. Specifications: BT Version: BT5.0 Receiving Distance: within 10 meters (no obstacle ) Frequency Range: 120Hz-16KHz Battery Capacity: 3.7V/400mAh Working Time: about 10 hours Charging Time: about 1 hour Standby Time: about 100 hours Color: Black, White, Blue (Optional ) Item Size: 111*27*12mm/4.37*1.06*0.47in Item Weight: 38g/1.34oz Package Size: 18.5*10.5*2.0cm/7.28*4.13*0.78in Package Weight: 150g/5.29oz Package List: 1 * Pillow Speaker 1 * USB Cable 1 * User Manual