Product Material: Metal + GlassSize: 85Mm36Mm14MmMemory: 8GbDisplay: 1.0 InchRecording Mode: Continuous RecordingRecording Format: Wav FormatRecording Power: 0.8Ma-12MaRecording Sampling Rate: 8Khz/16Khz/48KhzRecording Bit Rate: Wav (32/128/192/384Kbps)Music Playback Format: Mp3, WavMemory Card Type: Does Not Support Expansion CardsDisplay: Monochrome DisplayTransmission Interface: Usb 2.0Recording Distance: 10 Meters-20 MetersPower Supply Mode: Built-In Lithium BatteryBattery Capacity: 220MahBattery Life: 18 Hours Of Recording, 5 Hours Of Playback (Plug In Headphones To Listen)Color: Black, Iron Gray, SilverQuantity: 1 PiecePackage Content: 1*Recording Pen (With Battery)1. Multifunction: The Digital Voice Recorder Offers Many Functions Such As Mp3 Player, One-Click Recording, Telephone Recording Function, High Recording Quality, Automatic Storage, Time Setting.2. High Quality Sound Easy To Use: This Recorder Microphone Has Higher Sensitivity And You Can Enjoy Better Sound Quality. Easy Three Button Record, Save And Playback, Easy To Use.3. 8G Memory, Longer Recording Time: The Recorder Can Record Up To 560 Hours (32Kpbs Recording Quality); Built-In Rechargeable Battery; When Fully Charged, You Can Continuously Record 18 Hours Of Recording And 5 Hours Of Playback (Plug In Headphones).4. Recordings With High Fidelity: The Voice Recorder Has Microphones That Record In Hq Mode And Intelligent Dynamic Noise Reduction, And Ensures Excellent Sound And Recording Quality With Sound Recordings In A Radius Of 360 Degrees. External Speakers Reproduce Your Recordings With Particularly High Fidelity.5. Wide Application: The Tape Recorder Is Ideal For Universities, Lectures, Discussions, Interviews, Group Presentations And Podcasts. It Is Especially Suitable For Schoolchildren, Students, Teachers, Professors, Business People And Other Groups.