Accurate Online Smart Translation Device - Language Translator supports seamless instant two-way text/voice translation Long Standby Time and Versatile Uses - This portable two-way voice translator has a built-in 2000mAh high-capacity battery, which can work continuously for 10 hours and stand by for 8 days after a single charge. A full charge takes only 1-2 hours. The lightweight design voice translator is suitable for travel, business trips, foreign language learning, tourism and shopping.