About this item High-quality Stereo Sound: These Bluetooth headphones feature upgraded dynamic drivers and CSR chips, delivering high fidelity sound and rich, powerful bass. Bluetooth 5.3 technology ensures quicker pairing and stable connections, providing seamless calls and perfectly synchronized audio and video. Crisp Voice Calls: The built-in microphone with advanced CVC 6.0 noise cancellation technology effectively blocks out external noise, allowing for clear calls while driving or traveling. Easy button control on the right earbud adjusts volume, skips tracks, answers or ends calls effortlessly. Long-Lasting Battery: The powerful rechargeable battery supports up to 16 hours of continuous wireless listening or 250 hours of standby time with just 2 hours of charging, making these earbuds ideal for commutes or workouts. IPX7 Waterproof: With an IPX7 waterproof rating, the nano-coating technology prevents rainwater and sweat from penetrating and damaging the sensitive components, ens