1、With magnet adsorption, high concealment, IPX6 waterproof. 2、One‑key recording, keyless design, multi‑function operation with wire control, delete function, play LED indicator. 3、ADPCM recording 192Kbit, optional voice control recording 50DB, automatic recording division, circulate to cover recording. 4、Continuous 500 hours of recording, 365 days standby, 8GB capacity (90 hours of recording storage). 5、Support MP3, WMA, WAV playback, support fast advance and retreat playback, with a timestamp, recording file is named after the time. 1x Recorder1x USB Cable1x Earphones1x Instruction Condition: 100% Brand NewItem Type: Recording DeviceMaterial:ABS Colour: BlackWeight: Approx.181g/ 6.4ozRecording Mode: One‑Key RecordingProduct Model: Q70Recording Distance: 60m/ 196.9ftMicrophone: There is HD MicrophoneOptional Memory Capacity: 8G/16G/32GSampling Frequency: 48KHZBody Material: ABS Non-Slip TextureDigit Number:192KBPSAppearance Design: Portable RecorderBattery Type: Lithium Battery 18650Battery Capacity: 2850mahRecording Format: WAVRecording Time: 40 Days and 40 Nights of Continuous Recording