Based on this product's specifications, here are some alternatives and similar models
Hand strap for SUNMI CPad (model C20000092) — compatible accessory for tablet handheld use
Summary description:
Hand strap designed for the SUNMI CPad (model C20000092). This accessory attaches to the device to provide a secure hold during handheld operation, improving grip and comfort when using the CPad for mobile point-of-sale, inventory checks, or on-the-move data entry. Suitable for retail and field workflows requiring one-handed handling.