1. 33 different languages translate instantly: English, Chinese, Korean, Japanese, Thai, French, German, Spanish, Italian, Dutch, Greek, Portuguese, Russian, Arabic, Swedish, Czech, Finnish, Danish, Polish, Hungarian, Romanian 2. Online APP smart translation. It's a good option to travel abroad, talk to foreign friends and translate. 3. Dual microphone adaptation and noise removal, quick reaction accurate recognition and real-time translation. 4. Easy to use: Download the APP (Android and IOS) and connect it to your phone via bluetooth, and then you can translate the language you want Parameters: 1. Speech recognition distance: 1 meter 2. Battery: 3.7V / 800 mAh rechargeable battery 3. Smartphone platform: Android 4.3 or IOS 7.0