# 2.3.2.2 extended feature

Google 官方文档：

<a href="https://developers.google.com/nearby/fast-pair/fast-pair-certification-guideline#4_feature_certification_criteria" class="external-link" rel="nofollow">https://developers.google.com/nearby/fast-pair/fast-pair-certification-guideline#4_feature_certification_criteria</a>

Realtek 内部整理文档：

<a href="https://wiki.realtek.com/pages/viewpage.action?pageId=374584696" rel="nofollow">1 Extension Feature Test Guideline(中文文档) - BT_Market - WIKI</a>

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