Supported: GlassOuse PRO/Link. 1X pc 3.5 mm Jack Y-Splitter A 3.5 mm jack splitter, allowing the user to connect two assistive switches (3.5 mm jack) to a single port on GlassOuse PRO and GlassOuse Link. Both the connected switches functions can be assigned or changed using GlassOuse APP. NOTE: This product does not support GlassOuse V1.4