What are the key features observed in the IR spectrum of 1-bromobutane?

In the IR spectrum of 1-bromobutane, key features include a strong peak around 3000-3100 cm-1 indicating C-H stretching, a peak around 2850-2950 cm-1 for C-H stretching in the alkyl group, a peak around 1460-1470 cm-1 for C-H bending, and a peak around 1100-1200 cm-1 for the C-Br bond.