t:150gBluetooth?Class(1/II):IIBQB?included(Y/N):NoBluetooth?Profilea2dp/HFP,HSP,AVRCP,GAVDP,AVDTPReceiving??Sensitivity88dBmImpedance32ΩFrequency?range20‐20KHzFMNoChargingMICUSB?port?and?need?2hTF?cardNosystem?languageNoIndicator?light StatusRed?light?flashing?rapidly:?Lack?of?Power Red?Light?on:?charging Blue?Light?on:?full?charged Blue?and?red?lights?flashing:?Matching Blue?light?double?flash?slowly:?fail?to?match,?maybe?the?device?is?power?off,?o