Excellent Industrial Design: Exquisite innovative ID design and smooth design curve make the wireless headphones more refined and elegant. At the same time, the ergonomic design effectively reduces the pressure on the ear canal. The headset is as light as 3.8g, comfortable to wear and requires no charging. Bluetooth 5.2 and 40ms Low Latency: The Bluetooth headset supports Bluetooth 5.2 low latency dual transmission technology and is optimized for system-level latency, which can greatly improve the synchronous audio and video, game blocking and use in case of disconnection jamming, ETC. question. Whether you're watching a movie or playing a game, the sound is always stable and smooth. Beautiful, immersive sound: The second generation of ultra-dynamic 16mm dual-coil headphones designed specifically for Bluetooth deliver high-quality bass, ultra-linear low distortion and an authentic sound experience live. 45 HOURS OF BATTERY LIFE AND IPX7 WATER RESISTANCE: The wireless headphones provide 3-6 hours of music listening time on a single charge, and the charging case provides 30-45 hours of music listening time. The IPX7 waterproof nano-coating effectively protects the sports earphones from sweat and rain. Ideal for running, going to the gym or doing other activities.