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EP 4 817 298 A1

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(43) Date of publication: 07.10.2026 Bulletin 2026/41 (21) Application number: 23825122.7 (22) Date of filing: 29.11.2023

(51) International Patent Classification (IPC):  H04R 9/04(2006.01) H04R 9/06(2006.01) (52) Cooperative Patent Classification (CPC): H04R 9/06; H04R 9/046; H04R 1/1058; H04R 2209/024; H04R 9/025; H04R 2400/11 (86) International application number: PCT/SG2023/050795 (87) International publication number: WO 2025/116812 (05.06.2025 Gazette 2025/23)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: KH MA MD TN (71) Applicant: Razer (Asia-Pacific) Pte. Ltd. Singapore 138538 (SG)	(72) Inventor: FU, Jian Singapore 138538 (SG) (74) Representative: Viering, Jentschura & Partner mbB Patent- und Rechtsanwälte  Am Brauhaus 8 01099 Dresden 01099 Dresden (DE)