Item Type: Voice RecorderMaterial: Zinc AlloyModel: M25Recording Format: MP3/WAVWAV Digits: 1536kbpsMP3 Digits: 384kbpsMusic Playback: MP3/WMA/OGG/APE/FLAC/WAV/AAC-LC/ACELPVideo Playback: AMV/AVI (Video Files Need to Be Converted by Conversion Tools)Bluetooth Version: 4.0Screen Color: LCD Color ScreenScreen Resolution: 160x128Bit Rate 32kbps-384kbpsFrequency Response: 20Hz-20KHzSignal to Noise Ratio: 90dBHeadphone Jack: 3.5mm/0.13inUSB Interface: Micro USBBattery Type: Lithium BatteryBattery Capacity: 300mAh (Built-in)Package List1 x Recorder1 x Earphone1 x Data Cable1 x Manual1Support AMV, AVI video playback format, multiformat video playback, portable compact portable theater. 2Bluetooth wireless technology standard configuration, strong and stable signal, support bluetooth headset, bluetooth speaker and other bluetooth devices. 3High-quality mirror luxury texture, selection of high-quality materials, delicate touch, comfortable feel, give you a different experience. 4You can expand a larger memory card, save all your favorite movies, music, and learning materials in it, insert it and read it. 5Onekey recording, MP3 recording, PCM recording 1536Kbit, optional voice control recording 50dB, automatic split recording. 6Builtin polymer lithium battery, which optimizes power consumption and brings longlasting battery life.