The "Casio DAT-Portables" likely refers to a line of portable Digital Audio Tape recorders and players produced by Casio. While Digital Audio Tape technology was popular during a certain period for high fidelity audio and data storage, specific models or devices under this name are not extensively documented. Casio, as a brand, has produced innovative consumer electronics, but exact details about this product line may be limited.

The "Casio DAT-Portables" likely refers to a line of portable Digital Audio Tape recorders and players produced by Casio. While Digital Audio Tape technology was popular during a certain period for high fidelity audio and data storage, specific models or devices under this name are not extensively documented. Casio, as a brand, has produced innovative consumer electronics, but exact details about this product line may be limited.