Product name: Bone conduction sleep headphones Product color: black/white/yellow/pink/purple/blue Features: 1. Thin and invisible, it can be worn comfortably even when lying on the side. The body is designed to be thin and light, with a thickness of only 1CM. You can also wear it while lying on the side and enjoy the beauty of music. 2. No-delay layered diaphragm speakers, large dynamic speakers, redesigned by international tuning masters to restore the sound layering in a balanced manner 3. The large-capacity charging compartment has lower power consumption and longer battery life. It is equipped with a 5.3 chip, which has lower power consumption and long-lasting battery life. Say goodbye to frequent charging and continuous music, and enjoy worry-free enjoyment. 4. Intelligent noise reduction makes voice calls clearer. It adopts new voice noise reduction technology to effectively solve the interference of environmental noise during the call and greatly improve the call quality. 5. Dreamy experience immersive 360. sound effect restores the bright high frequency of music, full mid frequency, and rich and elastic low frequency immersive sound. Product gross weight: 105g Package includes: earphones*2 charging case*1 Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.