- Advanced Bluetooth 5.4 & ENC Noise Cancellation: Experience faster and more stable connectivity with Bluetooth 5.4 technology, which also reduces power consumption. The earbuds feature Environmental Noise Cancellation (ENC) to filter out background noise, ensuring clear communication during business meetings, conference calls, or while driving. - USB Adapter for Easy Connectivity: The included USB adapter allows seamless connection to desktop PCs without Bluetooth. Simply plug it into a USB port for automatic pairing with the YYK-526, offering wireless freedom up to 49 feet. Enjoy dual Bluetooth pairing to connect two devices at once, ensuring you never miss calls, even when switching between phones. - Long-lasting Battery & LED Display: With a 500mAh charging case, the earbuds are perfect for long trips. A quick 1.5-hour charge ensures you are always powered up. The LED digital display provides a clear view of the battery life, making it easy to track usage. The sleek and portable design fits easily in your pocket or bag. - Lightweight Ergonomic Design: Weighing only 0.32 oz, these earbuds are designed for all-day comfort without weighing down your ears. The ergonomic shape allows for a secure fit in either ear, complemented by three ear tip sizes (S/M/L) for a customized experience. - User-friendly Controls: The intuitive multi-function button (MFB) allows for easy operation. Power on/off, play/pause music, and manage calls with simple presses. Adjust volume and skip tracks effortlessly to enhance your listening experience. Ideal for professionals on the go, these earbuds are perfect for attending virtual meetings, enjoying music during commutes, or taking calls while multitasking. With their combination of advanced technology, practicality, and comfort, the YYK-526 earbuds are an essential accessory for anyone seeking reliable audio solutions.