Taxi Ads Player 1.19 inch Supermarket Shopping Guide AD Player (built-in bluetooth),E-coupons,3G update 2.Color:Black Taxi Ads PlayerMarket ApplicationLarge or small supermarket, convenience store, etc Product Function1. Send the E-coupons and other info to the customer mobile phone via bluetooth, such as activity time, appointed site, host unit info, etc.2. Abundant Promotion E-coupons3. Playing ...