- For connection of an Amazon Echo Dot to a USB power supply unit ,- Additional shielding for good reduction of electromagnetic interference ,- The inner conductor is made of copper which ensures best transmission properties ,- Also for charging, transferring data and synchronising smartphones and tablet PCs with a micro-USB connection ,- Sturdy plugs and moulded strain reliefs, high mechanical resistance ,- Suitable and tested for USB 2.0, backwards compatible with USB 1.1 ,- Twisted data lines (twisted pairs) - Connection: USB Micro B Plug/USB-A Plug ,- USB Standard: USB 2.0 ,- Gold-Plated: No ,- Length: 1.8 m ,- Max. Data Transfer Rate: 480 MBit/s ,- Type of Shielding: Shielded ,- Colour: Black ,- Recommended Use: Home Assistent 2 years legal warranty only