Earphones Bluetooth Earphones Wireless Earphones Latest Bluetooth Earphones Voice Assistant Bluetooth 5.3 Earphones Instant Connection Hands-free Calling Built-in Microphone Touch Operation Compact/Telework/Commuting/School ZI-0322 (Color: Black) Brand new, unused. Color: Black [Latest and Mature Bluetooth 5.3 Technology & Low Latency] With the innovative Bluetooth 5.3 high-performance chip, the delay of wireless audio can be reduced to a maximum of 50ms (0.05 seconds), enabling fast pairing and stable connection, eliminating concerns about interruptions. The function of automatically pairing by simply opening the lid and taking out the T18 earphones is adopted. [Comfortable Design That Fits Perfectly in Your Ears] To achieve the best fit, we scanned the shape of thousands of ears and analyzed the results with cutting-edge algorithms and simulations, resulting in an ergonomic design. Weighing only 3.69g per ear, it is ultra-lightweight and provides a comfortable fit that you'll forget you're wearing them. It doesn't put pressure on your ears even after long hours of use, making it less tiring. It fits perfectly to the contours of your ears and is less likely to fall out. At the same time, three sizes (S, M, L) of silicone ear cushions are included, so you can find the perfect fit for your ears. [IPX7 Excellent Waterproof Function] With a full waterproof specification compliant with waterproof grade IPX7, it is designed to be extremely resistant to water, and the surface of the two earphones can be sealed. You don't have to worry about the earphones getting wet and breaking even if it suddenly rains while you're out. It can avoid damage from sweat during exercise, and can be used freely in sports scenes where you sweat. It's also perfect for jogging, running, yoga, sports, gym, cycling, and more. [Type-C Fast Charging] The charging case uses a Type-C port, so the charging speed is significantly faster than the conventional USB. Even if you forget to charge, you can easily charge it while you're getting ready. You can charge it with a compatible charging adapter using the included Type-C cable. 35-4/2299/@.