This watch is Bluetooth 3.0. All functions support android 4.3 and above smart phones. But for iphone、 it just support answer & call、 phone book 、music play、 camera、 clock、 pedometer、 phone anti-lost alert. Still not support SMS、 Radio、 remote camera control、 sleep monitoring、 etc.Features:Quad-band GSM 850/900/1800/1900 callBluetooth phoneSMS 、 Bluetooth music playerCalls to remindClock DisplayBi-losingSupport pedometerSedentary reminderSleep Quality MonitoringWatches photographs; local memory storage;Watch cell phone camera remote control; stored in the phone;Calendar、 you can sync scheduleBluetooth push informationNOTE: IOS system does not support the information Remind、 the remote notification、 and remote camera、 browser、 QQ、 micro-letter.Specification:CP: 533MHz MTK6260A128M + 64M to support maximum 32GB TF card1.54 "inch TFT color LCD resolution Super Hi-string: 240 * 240 pixelBluetooth Ver 3.0Camera 2.0 M380 mAh high-capacity polymer batterySupport the acceleration sensorCompass SupportOGS Capacitive screen touch screen、 full lamination technologySize: 43.5 * 40 * 9.8MMTop watch stainless steel wire drawing processUSB2.0Weight: 78g; GW: 235g