About Product: Product Name: Hoco - Bluetooth Over-Ear Headphones (ESD18) Features: 🔵 Seamless Connectivity: Enjoy a reliable Bluetooth V5.3 connection powered by the JL AC6955F chip for a lag-free audio experience. 🎧 Immersive Audio: Equipped with a robust 40mm speaker to deliver rich, detailed sound for your music and calls. 🔋 Quick Charge & Efficient Power: A 200mAh battery charges in just 1 hour, providing up to 4 hours of continuous playback. ⏱ Long Standby Time: Keeps your headphones ready to use with an impressive 180-day standby duration. 💾 Expandable Storage: Supports TF cards up to 32GB, allowing you to carry your favorite tracks with you.