Features:    Your Personal Languages Assistant, a real time speech interactive translator for learningtravelling, business, meeting, etc.  0" distance dialogue communicate with the world.  Long time use, Built-in 600mah rechargeable lithium battery. Uninterrupted use for 4 hours, Standby for 2 months.  bluetooth Wireless Connection, easy to connect to your mobile-phone via bluetooth in seconds, making the translation more convenient and accurate.  Support more than 40 languages two-way translation.    Suitable for different occasions:  Oversea travel: Remove language barriers. Experience the beautiful scenery, enjoy the local food and make international friends  Language Learning: Communicating while learning. Improve oral capability even at home.  Business Negotiation: Efficient communication helps you seize every opportunity.  Friends making: No language barriers helps you make friends globally.    Specification:                                                       Characters synchronization: Yes  Voice translation: support  Adjust volume: support  Photo translation: support  Bilateral translation: support  Material: ABS  Color: black, white                         Battery capacity: 3.7V800mA   Bluetooth version: 4.2 bel  Bluetooth-compatible connection distance: 10-15M  Charging time: 1-2 hours  Use time: more than 4 hours  Standby time: more than 15 days  Compatibility: Android/ios  Multilingual translation: support 72 countries                                      Product accessories:                   Translator + charging cable + manual + packing box                  Product size: 126*42*15mm                  Packing size: 153*80*40mm                  Full set weight: 178g                  Single product weight: 56g