"Bai se ju" – "bai se" is white color, "ju" could be part of a name or a term. "Ta Quan 21 ji zhong wen zi" – "Ta Quan" might be "The Power" or "Ta Quan", and "zhong wen zi" is Chinese characters. "Mue01e21 portable" – "mue" could be a model or code, and "portable" suggests a product.