obd2 scanner bluetooth elm327 v2.1 mini bluetooth auto scanner check engine light code reader automotive diagnostic scan tool

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