Besta is the way to fly , with now new models out , the top of the range model is about 280 dollars but make sure that it has , 1 recharge facility 110 to 240 , the lithium battery is fixed in , you can Change English to Mandarin or Cantonese in sentence form and it has a pen so that the lady can draw her figures The update is cd885 it has the lot and is expandable for photo's , music , etc , we have 2 of the older versions and still use them now and again , buy it as soon as you can so that you can get used to it as the ladies are much quicker than us men at learning how they work , it also has live voice in both English and Chinese to learn words , regards Sujuan and Robert .