Based on this product's specifications, here are some alternatives and similar models
Label printer Olympia NCP 58 Black — wireless, battery-powered, 200 x 200 DPI, 7.4 V LiPo, 114 × 80 × 50 mm
Summary description:
Olympia NCP 58 is a compact label printer in black with wireless connectivity and battery power. It prints at up to 200 x 200 DPI and is powered by a 7.4 V Lithium Polymer (LiPo) battery. With dimensions 114 × 80 × 50 mm and weight 0.2 kg, it is suited for mobile labeling tasks, retail, inventory and on‑the‑go printing where portability and cordless operation are required.