Q55 32GB Expandable DSP 8-Core Noise Reduction Audio Recorder Dual-Mic HD Voice Activated Recorder for Lectures Meetings ClassesLightweight design,zinc alloy shell,really great touch feeling,so light that you can't really feel its weightSimply turn to the Voice Activation function,60m long-distance HD recording,and the device will automatically record if there are people talking,also will automatically save files if the talking stopA built-in DSP 8-core chip,with a PCM recording method,greatly reduces ambient noise and effectively restores human voicesBuilt-in high-sensitivity capacitor microphones,dual microphones pickup surrounding sound and restore the high-fidelity soundSupport AB repeat,variable speed playback,though there is variable speed playing it is in the pitch same to the original soundVoice to text,get twice the result with half the effort,free your handsWith the encryption function,recording files are enciphered to ensure the security of the recording fileSupport for WAV/MP3/WMA/APE/FLA/OGG/AAC/AAX/M4A playback function,not only a voice recorderThe simple one-key recording makes it super user-friendlyThe time setting function is also available,there is a timing routine that allows you to better manage your record timeWith an OTG adapter (not included),you can directly manage your voice files on Android devicesSpecifications:Model: Q55Material: zinc alloy shellScreen: 0.8-inch black and white screenButton: touch buttonBattery: polymer lithium batteryMemory: 32GB,expandable up to 256GBSize: 11mm*27mm*85mmMicrophone: yesSpeaker: high power speaker 2030Battery capacity: 300mAhRecording time: 30hPlay time: 12hCharging time: 2.5hRecording format: WAV/MPPlayback format: WAV/MP3/WMA/APE/FLA/OGG/AAC/AAX/M4APackage included:1 x Voice Recorder1 x Data Cable1 x English and Chinese User ManualOther items not included