Color: neutral EnglishBattery: lithium batteryModel: Q55Quantity of microphone: BIDIRECTIONALRecording format: WAVGift-giving purposes: business negotiation, public security law work, negotiation recording, interview record, meeting record, enterprise training, school class, learning English, listening to music, family careProduct Weight: 55.6Transmission Interface: USB 2.0Maximum number of recording files: 999Recording Mode: HDVideo recording: video shooting is not supported.Microphone: BidirectionalPacking List: recording products, headset cable, instruction manual, data cable, warranty card, packing box. (Customizable English version)Display screen: Full HD screenRecording distance: 5-10 metersBrand: NeutralItem No.: Q55Recording Time: 1000Memory card type: does not support extended cardApplicable people: business people, public security personnel, lawyers, journalists, clerks, training lecturers, students, security personnel, home care, security personnel, security personnelShell material: zinc alloyAttribute 3: HDProperty 1: IntelligenceAttribute 2:mp3Product Size: thickness 11 * width 27 * length 85mmApplicable occasions for gifts: wedding, birthday, festival, housewarming, trade fair, advertising promotion, employee benefits, anniversary celebration, business gifts, Opening Ceremony, awards commemoration, public relations planning