Standard : USB2.0 cable, power good signal stability, transmission speed Material: This product is not an ordinary coat material PVC material and is used TPE, TPE environmental quality soft wire, bending, anti-pull, durable, through the company's 1000 professional swing pull test, very smooth, than the average jelly line thicker, more comfortable feel, an effective solution to the winding, knotting and other problems, while a hand-sweat-slip effect. Highlights: Internal use 76 GB of high-quality copper wire to ensure high-speed charging, data transfer speed in seconds, copper wire coated with an insulating coating nanotechnology ensure good signal shielding, transmission stability, data is not lost while folding heat and cold.