... Player 1.19 inch Supermarket E-coupon AD Player--Bluetooth,3G 2.Color:Black 3.OEM and ODM are welcome ... -coupons and other info to the customer mobile phone via bluetooth, such as activity time, appointed site, host unit info, ... TFT-LCD, resolution 1024×768 5. Four-wire resistive touch screen 6.One USB Host 1.1, one USB2.0 ... 2W ) 10.Color--Black 19 inch E-coupon,3G,Bluetooth Supermarket Advertising Player