【Ergonomic Sports Design and IPX7 Waterproof】: The Wireless earbuds sport features ear hooks made of an innovative TPU (elastic) material that not only solves the problem of bluetooth earphones falling off when running, but is also comfortable to wear and anti-allergic. The earphones wireless bluetooth are equipped with nano-coated waterproof material, which can effectively prevent splash damage caused by sweat and raindrops, especially for jogging, gym, yoga and more sports.<br>【Auto-Pairing &amp; Universal Compatibility】Hall switch technology enables instant pairing: simply open the case to auto-connect to your last-used device. Compatible with iOS, Android, tablets, and laptops (Bluetooth 5.3), these earbuds ensure stable connectivity up to 33 feet<br>【Immersive Sound &amp; Noise Cancellation】Equipped with 14.3mm dynamic drivers and advanced acoustic tuning, these earbuds deliver powerful bass, crisp highs, and balanced mids. The ergonomic design enhances passive noise isolation, while the built-in microphone ensures clear voice pickup during calls—even in noisy environments<br>【Type-C Fast Charging &amp; Tactile Controls】Recharge the case in 1.5 hours via USB-C and get back to your routine quickly. Intuitive physical buttons let you adjust volume, skip tracks, answer calls, and activate voice assistants without touching your phone—perfect for sweaty or gloved hands<br>【Eco-Conscious Design &amp; Durability】Crafted with recycled materials and energy-efficient components, the YJ55 reduces environmental impact. Its rugged construction and replaceable ear tips extend product lifespan, aligning with sustainable practices for eco-minded users