Ergonomic DesignUltra thin body, ergonomic design, comfortable hand feel, tempered glass and aluminum alloy material, wear resistant and durable, fashion and exquisite. CompatibleBT 4.2 connection, real time translation in 70 languages, independent APP, compatible for Android 5.0 and above, for IOS 9.0, for iPhone 6S and above. Multi FunctionalSupport real time chat, text translation, two way translation, and photo translation, quickly identify road signs, labels, menus, etc, very convenient. Noise ReductionThis smart translator uses intelligent noise reduction technology, with stereo effect, clearer voice playback, and can also be used as a small speaker. Long Battery LifePortable translation device, built in 3.7V 600mAh battery, about 2 hours charging time, about 3 hours use time, about 20 days standby time.