Features: Builtin LED digital display screen, real-time visual display of charging current, voltages and power, convenient to grasp the charging status, accurate monitoring of fast charging dynamics. Supports 6A high current transmission and is suitable for up to 66W super fast charging protocol. with a charging efficiency 300% higher than ordinary cable. Adopting a spring wire structure, it can stretch up to 1.8meters and rebounds only 0.3meters, solve the problem of traditional data cable winding; High density weaving process on the outer layer, with a tensile pull life of over 20000 bending cycle. Integrated overvoltages protections, overcurrent protections, and temperature monitoring chip, automatic power-off for abnormal current, metal interfaces with plugs resistant design, long-time use without overheating or damaging equipment. The USB to Type C interfaces is suitable for mainstream fast charging head, suitable for devices such as smartphones, tablets, and laptops, and supports over ten fast charging protocols. Specifications: Material: Metal Plastic Power:66W 6A Length:Approx.35cm/13.78'' After Stretch: 180cm/70.87'' Color:Gray,Green,Color1 Package Includes: 1Piece USB to Type C Cable note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color.