1. Support 6 ports to use built-in high-performance chips at the same time, and can use keyboard, U disk, hard disk and other equipment at the same time 2. Without power supply, it can drive 1TB mobile hard disk, and can read solid-state hard disk within 1TB without power supply 3. Data transmission is more stable, built-in diodes, repairable fuses and other circuit protection components, more secure use 4. Multi-shielding transmission is more stable, using 28/24AWG thickened copper core, plus aluminum foil and other multi-layer shielding data transmission is fast and stable 5. Refuse to break and be more . The wire body is made of thicker material, which is more and has a longer service life for daily repeated bending and storage operations. : Model: LYT-U2 Whether there is an external power supply: there is an external power supply Interface: USB 3.0 USB 2.0 Product features: plug and play without driver Number of branch connectors: one for six Product type: USB computer peripheral products size: 7.5 x 7.5 x 1.5cm Material: plastic colour: black Package Contents: 1 x USB hub (4x3.0 2x3.0 with audio card reader) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.