This is a 2m USB 2.0 (A) male to Micro-USB 2.0 (B) male black cable. It allows your standard USB 2.0 (A) equipped laptop, PC, or USB charger to connect to any micro-USB 2.0 (B) equipped device, such as a smart phone, tablet or MP3 player. The USB 2.0 (A) connector also grants backwards compatibility to any USB 1.x (A) equipped device. Our cables are backed by a 3 year warranty and are guaranteed to work the first time.This is a 2m USB 2.0 (A) male to Micro-USB 2.0 (B) male black cable. It allows your standard USB 2.0 (A) equipped laptop, PC, or USB charger to connect to any micro-USB 2.0 (B) equipped device, such as a smart phone, tablet or MP3 player. The USB 2.0 (A) connector also grants backwards compatibility to any USB 1.x (A) equipped device. Our cables are backed by a 3 year warranty and are guaranteed to work the first time.