Why can I not synchronize/delete a product? Follow You must be connected to the Internet to add or delete a product through the APP. Was this article helpful? 0 out of 8 found this helpful Have more questions? Submit a request Return to top Related articles R-Link data are not sent to the APP How to pair my Web Coach Why do I lose the connection to my Sleep account? Master Coach - I do not get my weight data Wellness Coach Sleep - User Guide Comments 0 comments Please sign in to leave a comment.