Based on this product's specifications, here are some alternatives and similar models
Powder Brush Real Techniques Mini Multitask Brush — rounded fluffy bristles, 1 pc
Summary description:
Real Techniques Mini Multitask Brush is a compact powder brush with a rounded, fluffy brush head designed for even application of powder products. Suitable for setting powder, bronzer or blending; ideal for travel and precision touch-ups. Synthetic bristles and single-piece pack make it practical for on-the-go makeup application.