Astounding Sound Quality & Crystal-Clear Calls: Adopting professional audio technology, dual sound cavity design, and 7mm large dynamic drivers, AXLOIE B2 Bluetooth earbuds deliver impressive punchy bass, ultra-clear vocals, and soaring highs. Dual microphones with ENC noise cancellation block ambient noise and enhance voice pick-up, helping you make a flawless phone call even in a noisy environment. Bluetooth 5.0 & Ultra-Low Latency for Games: The latest Bluetooth technology and dual-channel transmission ensure a lightning-fast and ultra-stable connection for a seamless immersive experience within 10-meter barrier-free range. A built-in low latency chip specially designed for games guarantees a competitive gaming advantage with extremely low 60ms input latency. USB-C Fast Charging & Fully Compatible: Up to 5 hours of earbuds playtime. Use the charging case(quickly charged via supplied USB-C cable) to charge the earbuds 3-4 times for 20 hours of total playtime. And only 1.5 hours needed to fully charge the earbuds. Universally compatible with almost all Bluetooth enabled devices. No trouble pairing your phone with the earbuds whatever phone model you're using. Touch Control & Binaural Separation Design: Capacitive touch sensing technology allows you to answer/hang up/reject calls, play/pause/skip music, and activate voice assistants with a simple touch. The Bluetooth earbuds will automatically pair with each other when out of the charging case. Easy to switch from Mono mode to Stereo/Binaural mode so you can enjoy surround sound. Durable Sports Design & Qualified Water Waterproof: The in-ear wireless headsets with ergonomic design and the best-sized ear tips fit more securely in your ears than most earbuds. The sealed housing and polymer nano waterproof coating greatly protect the earbuds from rain and sweat, making them ideal for running, yoga, cycling, even strenuous exercise.