Digital Recording Pen Intelligent Recording MP3 Player External Playback Function Color Display Screen Recording Pen Expandable Memory Card Product parameters External dimensions 150 * 78 * 35mm (length x width x thickness) Frequency Range: 100HZ-20KHZ Net weight 40g Product size100 * 35 * 12mm (length x width x thickness) ColourBlack Display screen 128 * 128 lattice matrix 1.44 inch TFT colorNumber of Speakers: 1 Data Interface TYPE-C USB 2.0 Built in memory 16GB External memorymemory card (supports up to 64G) Charger specifications Voltage: DC5V Current: 500mA-1000mABuilt-in Battery Capacity: 1000mAh-1200mAh (inclusive) Battery 3.7V 400mA polymer Music format:MP3/WAV/WMA/FLAC and so on Recording format:MP3/WAV External voice :About 10 hours Recording time:About 30 hours Headphone specification:Standard 3.5mm interface Maximum output 10mW+10mW (32Ohm) Frequency response from 20Hz to 20KHz Signal to noise :>70dB Distortion level of 0.05% Operating ambient temperature -5 to 45 Humidity 10% -90% Supports computer systems :98/2000/XP/7/8/10 Product description: [1.44-inch color display screen+kirsite alloy body] A 1.44-inch color display screen, combined with a kirsite alloy black metal body, makes the use of the recorder clearer and more comfortable to use .Hold you to have a better recording and playback experience. [Front Button Design & Friendly Operating System] The key is installed on the front, making the using easier and convenient to operate. The physical buttons can also make you feel retro. Friendly operating system interface, the using is easier and easy to understand. [One click recording] Press to start recording immediately without delay, then press again to save the recording. Suitable for various scenarios, convenient and fast. [Multi function Voice Recorder]Voice control recording,repeated, regular recording, recording monitor and other functions, which are conducive to improving your learning efficiency and saving more time. The MP3 function allows you to enjoy your favorite music in your time. [Your Efficient Assistant]It helps to record various important things when you are busy. The name of the recording file is named according to time, helping you find your files, and you can complete more important tasks. Help you work and study, let you go a little bit every day, enrich your day! Package Included: 1*MP3 player 1*USB cable 1*manual