Tips: How to change the language mode? Turn off the device;Press and hold the volume key;At the same time, turn on the device, hearing the sound 'beep'.Success to change language mode. Part list 1x Card Reader 112x Double sided cards 224x Sight words 1x USB Cable 1x User Guide Specification Dimension: 4.1x3.5 inches Weight: 2.85 ounce Working hours: 4.5 hours The default language is English. The device only read the English of the sightwords. It will help you to develope children's speech ability. This talking flash cards device also has bilingual mode. It‘s easy to change mode. This mode is suitable for kids who wants to learn Chinese. 20 Themes and 3 Extra Themes for Chinese Learning 20 Themes: ABC letters X 26 ;Numbers X 15; Dates X 29 ;Orientations X 12; Locations X 20;Bodies X 12;Countries(Flag) X 28;Vehicle Signs X 18; Person X 8;Colors X 9;Shapes X 5;Animals X 56;Food X 21;Fruits X 18;Vegetables X 17;Daily Necessities X 31;Costumes X 16;Nature X 10;Jobs X 8;Vehicles X 25. 3 Chinese Learning Themes: Initial consonant X 24; Chinese Vowels X 24; Phonetic Alphabet Combination X 16. Funny Preschool Education Toys - Easy Learning while playing This talking flash card educational toy contains different themes of early vocabulary, which is a great toy to develope kids cognitive ability. It also a great tool for parents to do early education.