NEW YORK--(BUSINESS WIRE)--American Express (NYSE:AXP) and Jawbone® today announced a new partnership giving eligible U.S. American Express Card®1 Members the ability to tap to pay with the new Jawbone UP4™ fitness tracker anywhere American Express contactless payments are accepted in the U.S. This partnership and product launch marks the first time consumers can use a wearable fitness tracker with an embedded NFC chip for Amex payments, redefining what is possible with a 24/7 activity tracker.