化工行业ETF易方达(516570)，场外联接(易方达中证石化产业ETF联接发起式A：020104；易方达中证石化产业ETF联接发起式C：020105)
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SpecsConnectivityBluetooth 5.0, USB-C audioBattery life (ANC)20 hoursWater/dust resistanceN/A
魅族的当下，是手机、智能眼镜、车机三线并行，每条赛道都有独特优势，也面临行业共性难题。