Features: STANBLE CONNECTION & LOW LATENCY - Invisible wireless earbud use the latest Bluetooth 5.3 chip, and true wireless technology can provide a more stable connection for small earbud, signal transmission is more stable, and bring convenience to your life. THE WORLD'S SMALLEST EARBUD - The invisible earbud weight only 0.1 ounces, and you can barely feel the weight on your ears. It is suitable for long-term wear without discomfort to the ears. This earbud is very mini small and hidden, the size is 1:1 with the lotus seed, and it is very invisible when worn in the ear. Tips: Especially suitable for work. DIGITAL SCREEN POWER - The invisible earbud uses a LED digital power display and the power is displayed as numbers 1-9. When hidden earbud fully charged, it is number 9, the power is more intuitive and convenient to check! 10 HOURS LONG PLAYTIME - Invisible bluetooth earbud only need 1 hour to fully charge. The smaller size can provide longer battery life to get you through the day. Usually more than 10 hours listening to music and talking time. POWERFUL & EASY TO USE - The tiny earbuds with microphone support Siri voice assistant. Separate buttons allow easy control and access to answer and reject calls, mute your voice, raise and lower the volume, play and pause music and even announce callers. Specification : Bluetooth version: 5.3 Headphone battery capacity: 100mAh Transmission distance: about 10m Playing time: 10 hours Charging time: 1h Support system: all devices and mobile phones that support Bluetooth Notes: 1. Please read the instruction manual carefully before use. 2. If you receive a defective product or have any questions during use, please feel free to us. Packing List: Headphone*1 Ear cap*1 Charging cable*1 User Manual*1