obd2 elm327 4.0 obd elm327 bluetooth v1.5 v2.1 elm 327 wifi/wi-fi v1.5 obdii car diagnostic scanner tool for android/ios/windows

buyers can return item(s) for a refund within 7 days from the day the item(s) were received, and the buyer is to afford the return cost. the item(s) must be returned in the same exact condition as once it was delivered. buyers may return the item(s) for a refund if they are not as described or with quality issues within 7 days from the day the item(s) were received.the buyer is required to afford the return cost, based on the condition of the item(s) received.due to the lighting effects and shooting angles, there is color difference in the product, please understand. due to manual measurement , there is a tolerance