【Open-Ear Comfort】Lightweight, open-ear design ensures comfort without blocking the ear canal, perfect for extended wear during sports and daily activities. 【Smart Battery Display】Intelligent LED display shows real-time battery levels, keeping you informed of your device's power status. 【Crystal Clear Calls】High-definition voice technology ensures crisp and clear communication during phone calls. 【Bluetooth-compatible 5.4 Connectivity】Advanced Bluetooth-compatible 5.4 chip provides quick pairing, stable signal, and seamless audio streaming without interruptions. 【Touch Controls】Effortlessly manage calls, play/pause music, and switch tracks with simple touch controls on the earbuds. 【Wide Compatibility】Compatible with smartphones, desktops, tablets, and laptops, supporting Windows, iOS, and Android operating systems. Specifications: Bluetooth-compatible version: 5.4 Transmission distance: 10m Supported modes: AAC/SBC Earphone battery capacity: 50mAh Charging case battery capacity: 200mAh Charging port: Type-C Earphone usage time: Approximately 5 hours Charging time: 1.5 hours Charging case charges the earbuds: approximately 2 times Standby time: Approximately 3,000 hours Package included 2 x Earphones 1 x Charging Case 1 x Charging Cable 1 x English and Chinese User Manual Other items not include Specifications Brand N/A Color Black Packaging Type Colored Box Plug Type (For Supply) N/A User Manual (Language) English and Chinese Gross Weight 0.084kg Volume Weight 0.085kg Package Length 11.500cm Package Width 9.200cm Package Height 3.600cm