Hi-Fi Sound Quality & HD Voice Technology: The wireless earphones feature a 14.5mm dual-layer diaphragm driver to deliver sound with powerful bass, clear mids, and bright highs. The built-in microphone isolates your voice from surrounding noise, ensuring high-quality call performance. Enjoy uninterrupted calls with superior clarity wherever you are.Bluetooth 5.3 & Multi-Use Mode: Thanks to the advanced Bluetooth 5.3 feature of IKG sports earphones, you can connect to your devices with confidence. It greatly improves the transmission speed, providing you with a low-latency listening experience. The wireless earphones offer binaural mode (for stereo surround sound) and mono mode, allowing you to enjoy music with the left or right earphone alone.120 Hours Playtime & Dual LED Display: Each earbud provides up to 10 hours of listening time on a single charge, allowing you to enjoy a total of 120 hours of music with the charging case in turn. Our Bluetooth earphones ensure that you can listen all day. The charging case with an LED power display allows you to easily track the power level of the charging case (1% -100%) and the sports earphones. The charging case supports USB-C fast charging. The earbud case can be used as an emergency power bank to charge your phone when your phone is off, and can be used as a phone stand to watch videos on your phone anytime, anywhere.Designed for Sports and IP7 Waterproof: This running earphone has a flexible and secure-fitting ear hook, and comes with 3 sizes of earbuds (S, M, L) for a perfect fit and stays comfortable. In addition, this running earphone is designed to be reliably drop-proof and sweat-proof, ensuring they stand up to intense activities during workouts, running, and the gym.One-button Control and Auto-On/Connect: Easily manage music, adjust volume, and answer calls with the one-button control of the sports earphones. The sports earphones automatically power on and connect to your device when taken out of the charging case. They are compatible with most Bluetooth-enabled devices, including smartphones, TVs, computers, laptops.