“…Meanwhile, voluntary means the opportunity given to consumers for them to decide whether to participate or not to participate with a particular innovation (Ajzen, 1991;Bamba & Barnes, 2007;Kim, et al, 2010;Yang, 2007). Prior literatures revealed that consumers' ability on behavioral control has a significant positive influence on many behavioral intentions (Bauer, et al, 2005;Carroll, et al, 2007;Hongwei, et al, 2010;Leppaniemi & Karjaluoto, 2005;Merisavo, et al, 2010;NOKIA, 2002;Nysveen, et al, 2005;Sheppard, Hartwick, & Warshaw, 1988;Tripathi & Siddiqui, 2008;Tsang, et al, 2004;Venkatesh, et al, 2003). In fact, studies in developed countries disclosed that many consumers appreciate rights to have behavioral control (Hongwei, et al, 2010;Leppaniemi & Karjaluoto, 2005;Okazaki, et al, 2009).…”