This thread provides the wrong contact information. The official website of Coollang is : http://www.coollang-global.com/ The contact page is: http://www.coollang-global.com/?page_id=6407
Use a rubber jacket to attach the device to the racket. You may refer to our website's user manual section: http://www.coollang-global.com/qfy-content/uploads/2017/04/4dad8b5264db08a9309410d62abe0ece.pdf
Thanks for your support. Please like our Facebook page to get the latest news. https://www.facebook.com/Koospur/
Thanks for your support. Please like our Facebook page to get the latest news. https://www.facebook.com/Koospur/
Yes. The features, performance and industrial design have been improved. I will send a file to display the improvements
For more discussions, please move to this thread: http://www.badmintoncentral.com/for...oospur-has-been-released.171610/#post-2554581 I will try my best to answer every badminton fan. Thanks.