Wellness and productivity computer accessory device

An accessory device for a computer, comprising:

• a plurality of modules for monitoring and improving a user's work experience at the computer, said modules comprising:
• one or more sensors configured to detect data of the user;
• a speaker for the emission of predetermined sounds;
• a diffuser of essences, and a tank comprising said essences;
• a memory unit, wherein reference data, associated to the user, are stored, and wherein instructions for operating said speaker and diffuser are stored,
• said instructions being stored in association with a plurality of predetermined possible results of a comparison between data detected by said one or more sensors and said reference data;
• a processing unit, adapted to:
• receive data detected by said one or more sensors, compare them to said reference data, select instructions for operating said speaker and diffuser according to the result of the comparison, and operate said speaker and diffuser according to the selected instructions;
• connection devices configured to connect at least one of said plurality of modules to the computer;
• and
• an external casing, configured to contain said plurality of modules and said connection devices, further comprising support elements for placing the accessory device on a surface.