Detail: 163dBm mini Sports Personal GSM Wrist .... password, D depends on E, W, while E representing eastern time zone and W representing western time zone, nn is a two-digit number, meaning time....
we founded in 1996, Shenzhen Zhongtian Electronic Co., Ltd. is engaged in the GPS tracker business. Recognized as one of the industry' s innovators and high-tech entities, 90 percent of our....