【Ergonomic Design】Lightweight and compact, these earbuds offer a comfortable fit without putting pressure on the ears, ensuring long-lasting comfort. 【Advanced Bluetooth-compatible 5.4】Featuring the latest Bluetooth-compatible 5.4 technology for low latency, quick connectivity, and enhanced stability. 【Extended Battery Life】Large capacity lithium batteries in the earbuds, combined with the charging case, provide long-lasting usage for extended listening sessions. 【Smart Touch Controls】Intuitive touch controls allow for easy management of playback functions, enhancing user convenience. 【Wide Compatibility】Compatible with most Bluetooth-compatible enabled devices including smartphones, tablets, and computers for versatile use. Specifications: Bluetooth-compatible Version: 5.4 Working Range: 10m Driver Size: 16mm dynamic driver Music Playback Time: Approx. 6 hours Talk Time: Approx. 3 hours Charging Case Battery: 3.7V 300mAh lithium polymer Earbud Battery: 3.7V 38mAh*2 lithium polymer Charging Time: Approx. 2 hours Charging Port: Type-C Material: ABS Package included 2 x Earphones 1 x Charging Case 1 x Charging Cable 1 x English Chinese Instruction Manual Specifications Brand Aigo ColorStyle A Packaging Type Colored Box Plug Type (For Supply) N/A User Manual (Language) English and Chinese Gross Weight 0.101kg Volume Weight 0.103kg Package Length 11.500cm Package Width 10.000cm Package Height 4.000cm