The Siemens C65 is a mobile phone announced by Siemens in March 2004. It weighs 86 g and its dimensions are 100 x 45 x 16 mm (length x width x depth). Its display is a 130x130 pixels, 65K colors CSTNLCD. Its carrier-engineered variants are Siemens CT65 and CV65, exclusively for T-Mobile and Vodafone respectively. It is known in North America as the Siemens C66.