Comfortable Noise Reduction DesignThe sleeping noise reduction earplugs are made of soft silicone material, which is comfortable and skin-friendly, helps isolate external noise, provides a quiet resting environment, and ensures stress-free long-term wear.Invisible and PortableThe mini earphones are designed to be concealed, suitable for use during sleep and work, and are almost invisible after wearing. With a digital display function, you can check the battery status of the earphones at any time.Bluetooth 5.3 Stable ConnectionAdopting the latest Bluetooth 5.3 technology, the connection between the earphones and the device is more stable, without audio delay, and enjoy the free experience of no cable restraint, listening to music or making calls anytime, anywhere.Suitable for Side SleepingThese earplugs are designed for side sleeping, comfortable to wear, and will not cause pressure on the ears. The built-in microphone provides clear call quality, making it an ideal companion for daily use.Extremely long battery lifeEquipped with a 300mAh charging box, the earphones can be used for 4 hours after being fully charged, and the charging box can provide an additional 25 hours of power, ensuring a long-term use experience without frequent charging.