(1)2m in length, enough longer and better. It is great length if you want to keep phone charging while laying on bed or sofa cozily. There is no need to closely stay with wall charger or laptop. (2)Micro USB 2.0 support, sync data/ charge at speed up to 480Mpbs/2amp. It is widely applied to not only Android smart phones but to any devices with micro USB port, like tablet, camera, handheld game consoles, etc. (3)Durable wire & braided and striped jacket. Durable enough for rough use. Thin end snugly fits into most cases. Flexible and capable of bearing 4000+ times bends. If you don't need it, roll it up! (4)Can be served as back-up cables for yourself or gifts for children, parents or friends.