1[7 Functions] Translation pen supports scan translation, voice translation in 112 languages, online or offline photo translation, electronic dictionary, text excerpt, smart recording, thesaurus function. 2[Small And Portable] Can be translated into 112 languages, 3.0 inch high definition touch screen, small and portable, very suitable for overseas travel, business, office, study, conference, etc. 3[Easy To Use] Press the voice button to answer your voice, built in dual smart noise cancelling microphones, accurately extract voice and translate quickly (wifi connection is required to use this feature). 4[Accurate Correction] Using a variety of AI engines, the accuracy rate is as high as 99%, AI pronunciation correction helps you improve your oral expression skills and speak like a native speaker. 5[Long Battery Life] A rechargeable scanning translation pen with built in 1800mAh large capacity battery, 16 hours of battery life, and 240 hours of standby time to meet your needs. 6[Adjustable] You can set screen brightness, volume, favorites, time zone, 12 system language conversions, standby time, pen holding direction, pronunciation mode, speaking speed, system upgrade. Item Type: Translator PenMaterial: ABSModel: S50Color: BlackBattery Type: Built in 1800mAh Li Ion Battery (Included)Processor: Quad Core ARM Cortex A7 1.6GHzStorage: 1GB + 8GMemory Card Expansion: Plug On the Left Side of the Machine, Maximum Support 128GBT: BT 4.0, Can Be Connected to BT Headsets, SpeakersCharging Interface: Type CMicrophone: Dual Microphone Noise ReductionScreen Size: 3.