Specification: Sapphire lens is same with phone watch.camber surface design IC:MTK2502(size:5*5mm)is the smallest IC for wearable product.Support TF card 4G Double bluetooth(Ver.3.0,4.0), support both android and iOS windows. IP67 really waterproof. Digital recorder function Camera:2.0M mega 1.54 inch display,TFT capacitive screen Battery:380mAh,Standby More than 7days Health and sport monitor, heart rate monitor.music and audio play,remote camera,alram,anti-lost,record, calculator. Phone function(Call ,hand free, call record, phone book)