CH340 USB to TTL to UART serial port Bluetooth module debugging board

CH340 USB to TTL to UART serial port Bluetooth module debugging board Deskripsi : Power Source : AC Voltage : Standard is_customized : Yes Usage : Standard Model Number : CH340 USB Contact Load : Standard Protect Feature : Standard Theory : Standard Brand Name : OKWK As an honest seller we devote ourselves to offering best products amp; services. We understand sometimes you may have a problem with your purchase but whatever it is please trust that we will try out best to make you satisfied. Fair amp; Objective feedback is very IMPORTANT to our reputation and we #39;ll be highly grateful if you can contact us before leaving Negative/Neutral feedback. Let #39;s work together Superiorityolve the problem at the earliest convenience. Warranty 1.- One year guarantee . 2.- If the item is defective upon receipt it should be within 7days from the date of receipt for exchange a new one (Buyer should return all original and undamaged items under re-saleable condition). 3.- We supply free repairing service within one year of purchase. For the first 1 month we will pay one way shipping cost( from us to your location); After 1 month of purchase the buyer need to pay two ways of shipping cost. 4.- One we get the returned items we will send the replaced ones back as soon as possible. 5.- Our warranty does not extend to any products that are physically damaged or under un-normal operating conditions as a result of misuse or improper installation on the parts. Payment 1.- Please make sure your payment account is available before you bid the item. 2.- All payments should be cleared within 7days after you receive the item. If you really have difficulty in paying the Terimakasih Sudah Belanja di Toko Kami.