1. Consumer Electronics: If you buy a smart speaker for personal or family use and pay in your own name, the invoice may be classified as a consumer electronics invoice.
2. Office supplies and equipment: If you purchase smart speakers for use in offices or other workplaces and pay for them through company accounts or travel expenses, the invoices may be classified as office supplies and equipment invoices.
3. Audio equipment: If you buy a smart speaker with advanced audio functions, such as supporting high-fidelity playback or cooperating with other audio equipment, the invoice may be classified as an audio equipment invoice.
Generally speaking, the classification of smart speaker invoices depends on the needs and uses of buyers. If you have any questions, you are advised to consult a financial or tax professional for more details.