Magnetic charging interface that doubles as a dust plug The magnetic design serves as the charging port and also seals the port when not in use, helping protect against dust while providing easy magnetic alignment for quick connections. Simultaneous charging and data transfer Charge your device and transfer data at the same time, saving time and improving work efficiency. speed data transfer Data transfer speeds up to 40 Gbps enable rapid file movement and responsive performance. QC4.0 fast charging with broad compatibility Supports QC4.0 fast charging and is backward compatible with QC3.0 and QC2.0, enabling super fast charging on supported devices, including Samsung, Huawei, and other models. Key attributes Function: magnetic charging interface with integrated dust plug to protect ports Compatibility: QC4.0, QC3.0, QC2.0; Samsung, Huawei and other QCenabled devices Performance: data transfer up to 40 Gbps; supports simultaneous charging and data transfer Convenience: magnetic connection for quick, precise alignment; dust protection when not charging Use scenarios Office setup: plug in to charge while you transfer large files to a computer without interrupting workflow On the go: magnetic connection for quick charging and data transfer during travel or in a car setup Home workspace: keep charging port protected with the dust plug while syncing and backing up data efficiently