1、Support AMV, AVI video playback format, multi‑format video playback, portable compact portable theater. 2、Bluetooth wireless technology standard configuration, strong and stable signal, support bluetooth headset, bluetooth speaker and other bluetooth devices. 3、High-quality mirror luxury texture, selection of high-quality materials, delicate touch, comfortable feel, give you a different experience. 4、You can expand a larger memory card, save all your favorite movies, music, and learning materials in it, insert it and read it. 5、One‑key recording, MP3 recording, PCM recording 1536Kbit, optional voice control recording 50dB, automatic split recording. 6、Built‑in polymer lithium battery, which optimizes power consumption and brings long‑lasting battery life. Item Type: Voice Recorder Material: Zinc Alloy Model: M25 Recording Format: MP3/WAV WAV Digits: 1536kbps MP3 Digits: 384kbps Music Playback: MP3/WMA/OGG/APE/FLAC/WAV/AAC-LC/ACELP Video Playback: AMV/AVI (Video Files Need to Be Converted by Conversion Tools) Bluetooth Version: 4.0 Screen Color: LCD Color Screen Screen Resolution: 160x128 Bit Rate 32kbps-384kbps Frequency Response: 20Hz-20KHz Signal to Noise Ratio: 90dB Headphone Jack: 3.5mm/0.13in USB Interface: Micro USB Battery Type: Lithium Battery Battery Capacity: 300mAh (Built-in) 1 x Recorder 1 x Earphone 1 x Data Cable 1 x Manual