5.Physical Button Controls & One Button Reset. Each wireless earbud has complete functions for music and phone calls as well as voice assistant.This level of control puts your audio experience right at your fingertips. Additionally, we've simplified the reset process for your convenience. Inside the charging case, you'll find a reset button. Just press and hold the reset button for 5 seconds when the wireless ear buds in charging case, your in-ear earphones will be restored to factory settings. 4.Bluetooth 5.3 & Seamless One-Step Pairing.The Bluetooth earbuds with microphone offer an effortless pairing experience. Once initially connected, they automatically power on and connect to your device the moment they're removed from the charging case. Thanks to the Bluetooth 5.3 technology, you'll get fast and stable connection. The wireless earbuds with earhooks boast universal compatibility with a wide array of devices, including iOS and Android smartphones, TVs, computers, laptops, and etc. 3.Designed for Sports & IP7 Waterproof. The true wireless earbuds feature flexible and secure-fit ear hooks and come with 3 sizes of ear tips (S, M, L) for a perfect fit that remains snug and comfortable . With T9 headphones wireless bluetooth, you won't be worry of them falling out while you're on the go. Additionally,the Bluetooth earbuds are designed to be reliable shield against water droplets and sweat,ensuring they stand up to the rigors of intense activities during workouts, runs and gym. 2.Hifi Music & Clear Call. Indulge in pristine audio quality and HD voice technology with our bluetooth headphones,the sports wireless earbuds feature especially designed 13mm large speakers, delivering sound that resonates with depth. These bluetooth wireless earphones keep the sound crispand balanced with deep bass, delivering a big surround sound and maximizes the soundstage. Besides, built-in good microphones enhance your voice, make you sound clear and loud during phone calls. 1.Dual LED Display & 96H Playback. Each wireless earbud can last 8 hours of music time on a charge,you will get 96 hours of continuous playback with the charging case via using in turn. Our bluetooth earbuds ensure you can listen all day long.The charging case with LED power displays allow you to easily track the power levels of the case (1% -100%)and wireless earbuds (Its indicator light flashes when charging and turns off when fully charged.). The case supports USB-C fast charging.