【Smart Display Screen】The charging case is equipped with a display screen for easy monitoring of battery status and other essential information at a glance. 【In-Ear Detection】Intelligent in-ear detection automatically pauses playback when earbuds are removed, enhancing user convenience. 【Dual Channel Audio】Enjoy immersive stereo sound quality with the dual channel audio system for a superior listening experience. 【Advanced Bluetooth-compatible 5.4】Utilizing the latest Bluetooth-compatible 5.4 technology for stable and efficient wireless connectivity. 【Touch Controls】Intuitive touch controls allow for easy management of music playback and calls without reaching for your device. 【Extended Battery Life】Experience up to 4.5 hours of music playback time on a single charge at 80% volume. Specifications: Model: T23 Bluetooth-compatible Version: 5.4 Audio System: Dual Channel Control Method: Touch-sensitive Bluetooth-compatible Chip: Jieli 83D4 Effective Bluetooth-compatible Range: ≥10 meters Earbud Battery Capacity: 30mAh Charging Case Battery Capacity: 300mAh Music Playback Time: Approx. 4.5 hours (at 80% volume) Talk Time: Approx. 3.5 hours (at 80% volume) Charging Port: USB-C