large voice calculator with fake currency detection real person pronunciation cute student accounting business office products commercial computer

] after 29 points [end factory limited promotion immediately(】二十九分后【马上结束工厂限量促销)

] as main image [fake currency detection function + battery + signature pen(】主图款【验钞功能＋电池＋签名笔) ] large voice calculator [battery + signature pen(】大号语音计算器【电池＋签名笔) ] large fake currency detection calculator [battery + signature pen(】大号验钞计算器【电池＋签名笔) ] small size voice calculator [battery(】小号语音计算器【电池) new movement] small size voice 【(全新机芯】小号语音【) ] dual power calculator [+ battery(】双电源计算器【＋电池) ] computer voice calculator [+ battery(】电脑语音计算器【＋电池) ] medium voice calculator [no battery(】中号语音计算器【不送电池) ] black mute 8-bit calculator [+ battery(】黑色静音8位计算器【＋电池) as main image + fake currency detection function + plastic button(主图款＋验钞功能＋塑胶按键)