#034#Characteristics Manufacturer – earldom Materials metal Interface micro usb + usb 2.0 Card slot tf / micro sd Operating temperature 1035 °c. Peculiarities: Designed to connect two usb devices simultaneously; Supports the use of tf and micro sd cards; Compatible with major operating systems windows and mac os. Advantages: Great functionality with a compact device size; Universal adapter for most gadgets; Stylish laconic design; Easy to use.