Shenzhen Hengxin Er Tai Electronics Technology Co., Ltd. is a manufacture ofsmart watches ,watch bands ,bluetoth headset ,cctv camera ,mini gps tracker for pets with well -equipped testing facilities and strong thchnical force . with a wide range ,good quality ,reasonable prices and stylish designs ,our products are extensively used in security ,camera ,festival and other industry .our products are widely recognized and trusted by users and can meet continuously changing electronic and social needs .we welcome new and old customers from all walks of life to contact us for future business relationships and mutual sucess !