Product information:Model: F007plusMicrophone type: condenserApplicable objects: home, computerDimensions: 170mmDisplay: NoneWireless: YesChannel: 2.1Battery capacity: 2000MAInput voltage: 110VWith or without bracket: YesBluetooth protocol: 4.1Style: A/e300 suit, B/t140 suit, C/ bottle wheat suit, D/ sound cardPacking list:Sound card device*1