Bone Conduction bluetooth Music Box Wireless Portable Speaker Stereo Bass Under Pillow Improve Sleep Headphone

• Bone conduction music box is easy to use, just put it under the pillow and open it to enjoy. You did not need to wear it into the ear, so long-term use will not feel uncomfortable.
• With MP3 function, it can be inserted into the SD-card. You can download your favorite music and stories to play, soothing your emotions and promoting sleep.
• It is made of good quality ABS material, durable to use. With built-in 300mAh battery, it has10 hours of music playback under full power, 300 hours of standby battery life, which accompanies you all night to sleep peacefully.