2025 Upgraded Bluetooth 5.4 and Ultra-Low Latency: The in ear wireless earbuds are equipped with an advanced Bluetooth 5.4 chip and a high-sensitivity antenna. Compared to Bluetooth 5.3, Bluetooth 5.4 optimizes channel classification and AFH performance, improving interference management. It also reduces power consumption by 30% and enhances signal stability by 35%. The built-in Hall sensor enables the Bluetooth earbuds to automatically pair when the charging case is opened(within 15m) Immersive Sound and ENC Clear Calls: Bluetooth headphones feature 13mm diaphragm drivers. Combined with AAC/SBC audio codecs and a unique stereo design, they deliver deep bass (20Hz) and clear mids and highs (20kHz), offering theater-quality sound effects and automatically adapting to different music genres. These wireless headphones are equipped with advanced ENC technology, effectively reducing 85% of background noise, ensuring crystal-clear and detailed call quality even in noisy environments