What business does Apple have besides mobile phones and computers?

Icloud cloud service provides paid big data services for enterprises and individuals.

Apple Music and Facebook launched Facebook information service.

IPod walkman series equipment.

Apple official website Mall accessories are available:

Music accessories: headphones, stereo.

Data accessories: big data processor, personal vps, etc.

Network accessories: selling Apple Internet servers, routers, etc.

Medical accessories: selling apple first aid/standing equipment.

Toy accessories: Apple UAV, Apple Robot, etc.

Entertainment accessories: Apple TV, smart home appliances, etc.