DFRobot 5.5/2.1mm DC Female Adapters are available as DC to micro-USB and DC to Type-C adapters. These adapters are available in black color and feature PVC flame-retardant insulating material. The 5.5/2.1mm DC female adapters operate at the -50°C to 56°C temperature range and offer 3VDC to 28VDC transmission voltage range. These adapters power mobile phones, tablets, Raspberry Pi, and LattePanda devices.