... . 2.GSM,Frequency:850/900/1800/1900HMZ 3.EDGE network 4.Colorful choices Coopee is a multi-function booster for ipod touch ... , it will increase the number of different functions. For example, Coopee KT275 can achieve the function of making calls, sending messages, EDGE, radio and charging ... -in Batter 1Guarantee card 1 Manual 1Certificate 1The appearance of Coopee KT275:Install the Coopee KT275: