Remax Shell TPE flat cable, not winding, durable. Tinned copper wire core, stable and efficient without heating. The maximum allowable current is 2.1A, fast charging. 480Mps fast and stable data transmission. 4 core and 92 copper wire, provide fast charging and transmission speed. Specification Model: RC-040m Output: 2.1A max. Length: 1m, 3.3ft. Weight: 30g.