Photographing: Translation: Choose the language you want to translate, and take a photo of the language text by your mobile phone, it can translate in high precision. Bluetooth: 4.2 version Optical Resolution: 1200dpi Wireless Transmission Distance: 10m Voice Recognition Distance: 2m Battery: 3.7V 600mA Rechargeable Battery System: Support Android 7.0 and above mobile phones. ios9.0, and above mod Colour:Black Material:plastic Package Contents: 1 x Translator 1 x Charging Cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. 1.parameter: Languages Translation: Support up to more than 137 languages translation, each language can be translated to each other. Small and exquisite: Handheld size, small and portable, so convenient to carry with wherever you go. As long as the mobile phone can access the Internet, open the translator to connect to the APP, simple and convenient anytime, anywhere. support 7 offline languages (note: this function needs to be purchased in the APP to use) 4.Text: Translation: Support text to text translation. Wide Compatibility:Compatible with most ios and Android phones. and Rechargeable:Built-in 3.7V 600mA rechargeable battery, low power consumption, plug and easily charge. 2.Two-Way: Real Time Intercom: It can be used to communicate face to face, and solve communication obstacles. Giving you the most suitable translation results in real time, fast response in seconds. 5.connection: Bluetooth Wireless Connection: Connect to your phone via Bluetooth,allows wireless transmission distance up to 10 meters, and the distance of voice recognition is 2 meters. 3.Voice: Translation: Intelligent voice recognition technology to make language communication easier. Translate your speech into high quality foreign language text and transmit into voice output.