Check the listing for details. M23 8GB Digital Voice Recorder with Built-in Speaker, Silver. Condition: New. Listed at 19.98 USD. M23 8GB Digital Voice Recorder with Built-in Speaker, Silver SpecificationsOLED display: 128 * 64Recording formats: MP3: 32 kbps; 64 kbps; 128 kbpsWAV: 512 Kbps -1536kbps( PCM Format)WAV Format is also PCM Format,which is high sampling rate and excellent sound reductionMusic formats: MP3 / WMA / WAV / APE / FLAC (Requirements for APE and Flac:8KHz-48KHz, 1000Kbgs)Item weitght:1.76ozSize: 1.14 * 0.35*3.58 inS / N: 88dBDistortion: 0.05%Interface: USB 2.0 High SpeedCapacity: 8 GB, Support TF Card up to 64GB (not included in the package)Material: Zinc AlloyCharge Time: 2 hoursBattery Capacity: 3.7V: 260mAhRecording Distance: 32ftRecording position：360 degrees in all directionsLanguage:English/French/Janpanese/Italian/Portuguese/Spanish and so on.Up to 13 hours of audio playback for one full charge(using the earphones).UP to 23.5 hours of recording for one full charge(when turn off the noise reduction).UP to 10 hours of recording for one full charge(when turn on the noise reduction). Package Contents1 x Voice recoder1 x USB charge cabel1 x User manual