About this item High-quality Stereo Sound: These Bluetooth headphones feature upgraded dynamic drivers and CSR chips, focusing on delivering high-fidelity sound and rich, powerful bass. Bluetooth 5.3 technology allows for quicker pairing and more stable connections, ensuring more stable 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 you to take clear calls while driving or traveling. The button control on the right wireless earbud is easy to use for adjusting the volume, skipping tracks, answering, or ending calls. 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. These Bluetooth earbuds are perfect for any commute or workout. IPX7 Waterproof: With an IPX7 waterproof rating, nano-coating technology efficiently prevents ra