Specifications: Color: black, gold Wireless: 2.4G Optical Optical Resolution: 1200dpi Connect to Phone: Bluetooth Wireless Transmission Distance: 10m-20m Voice Recognition Distance: 2m Battery: 3.7V 750mA Rechargeable Battery Size: Approx. 12.5*3.8*1.3CM Package Weight: 127g   Introduction of the method of use: (1) The mobile phone connects Wifi, or mobile network, scan the QR code on the product, and download the translation APP of iTranslate; (2) Set the App according to the Instruction. (3) Power on the translator; Then open the bluetooth and connect the device "Translator" with your phone;Open APP, it will scan and find the the "iTranslate" device. (4) There is a menu bar in APP, and the language of more than 30 countries can be selected. (5) After choosing the translated language, press the button A on the translation stick to start the recording, release the button after the speech is finished, and check the translation results on APP for about 1 second,the translator recognizes the speech as a text,then translates it into foreigh language and plays.   Attention: The speech translate function needs cellular date or WIFI,please make sure that your phone's network is connected.When there is poor network,the translator maybe delay or no funtion.   Package List: 1 x Translator 1 x USB Charging Cable 1 x User Manual