Brand new, unused! Instant purchase welcome! Package Contents: Wireless Earphones * 2, Charging Case * 1, Charging Type-C Cable * 1, Ear Caps * 4 (L/S), Japanese Instruction Manual * 1 【Industry-Leading Bluetooth 5.3 Technology, Connect Upon Opening】 Adopting the latest Bluetooth 5.3 technology, the power saving and connection stability are significantly improved compared to the previous generation Bluetooth 5.0 chip. The lag between video and audio during video viewing is also greatly reduced from the previous model, enabling a smooth gaming & video viewing experience. 【Delivering Better Sound Quality & Microphone for Calls】 To pursue the "original richness of sound," the earphones are equipped with a specially designed 13mm large-diameter driver, which produces clear sound with good definition. You can enjoy a wide range of sounds, from powerful bass to natural mid-range and clear treble, achieving uncompromising high-quality sound and faithfully reproducing the original sound. In addition, it creates a sense of realism by playing the sound, allowing you to immerse yourself in the music. 【Best Fit, Palm-Sized】 Designed by scanning the ear shapes of thousands of people and analyzing the results with cutting-edge algorithms, the earphone body is designed to fit snugly in the ear while adjusting to the optimal sound quality. Furthermore, it can be put in your pocket when you go out, so it won't get in the way no matter where you carry it as a set. Basic operations such as track forward/backward, music play/pause, phone answer/end/reject, power on/off, and volume adjustment can be achieved with simple touch controls. 【Waterproof Performance】 Equipped with IPX5 waterproof performance, it is splash-proof, so you can use it with confidence even if it gets wet from sudden rain or sweat from intense exercise. It is applicable to all weather conditions. 1500r4764