It sits at the MicroUSB port very firmly, in my opinion, much better than the original Samsung cable and also still a tick better than Rydges High-Quality PC Power Supply - by OTB 2A - / 2000 mAh Charger 5V 2000 mAh for Raspberry Pi Model A and B & Banana Pi - Pi Model B + (B Plus)
the speed, the most important:
Is no deviation to the short cables. Whether smartphone or tablet, digital camera or headphone Laden.
For Galaxy Note 3 just a 4,37gb large file in 1: 50min copied! Because there is nothing to complain about!
Also, the charge current for all my devices is exactly the same. No deterioration! (Example: Grade 3: 2.1 A)
Who needs a long cable for example "back from the connected PC, moved across the desk" or for anything: slamming! Was a terrific buy for me!