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Unverified95% confidenceDecision RuleTime unknown

没有USB接收器，仅蓝牙连接，部分台式机无蓝牙模块的用户需额外购买蓝牙适配器

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Unverified本身自带原厂蓝牙或CarPlay的车型不必购买此类发射器，主要适合老车型、仅有收音机或USB口的车69% similar Unverified不建议用充电器/排插的USB口给需要精确电流的设备（部分蓝牙音箱、老式设备）供电，无智能识别的口可能因协议握手失败导致不充或反复重连，认准支持自动识别设备类型的产品68% similar Unverified台式机主板USB接口供电充足时不建议为接鼠标键盘买有源集线器，无源款即可；反而有源款待机功耗和电源适配器占用插座是浪费68% similar Unverified家中设备为纯红外(老电视、空调、传统功放)时不要买纯蓝牙遥控，蓝牙无法控制红外设备，需选带IR发射或红外+RF复合型67% similar Unverified不建议为老旧Micro-USB设备购买高价原厂尾插，此类接口机型多为低值机，副厂免焊件已足够，投入过高不划算66% similar

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get_claim(id=639318)