Products intended to support, train or replace a person's capacity to receive, send, produce and process information in different forms, including communicating by language, signs and symbols, receiving and producing messages, carrying on conversations and using communication devices and techniques. Included are, e.g. devices for seeing, hearing, reading, writing, telephoning, signalling and alarming, information technology. Assistive products for office administration, information storage and management at work, see 28 21.

Devices for concentrating, amplifying, modulating and transmitting sound for a person with hearing problems. Included are, e.g. hearing aids with built-in tinnitus masking. Assistive products for stimulating senses with sound, see 04 28 06.

Devices worn behind the ear to amplify sound. Included are, e.g. headband hearing aids..