SIM card frequency: GSM 850/900/1800/1900 MHzNetwork and connectivity: 2g network onlySurface treatment technology: stainless steel brushed main color  CPU: MTK6261DWeight: 1.76 ounces / 50 gramsSize: (9.65x1.57x0.49) "/(24.5x4x1.25 cm)  LCD: 1.54-inch high-definition LCDResolution: 240x240 pixelsFrequency: 360 MHzDisplay: OGS capacitive touch screenBluetooth: see 3.0Smart watch camera: 1.3 metersSmart watch battery: 350 mAh polymer batteryBluetooth connection standby: > 1 week;Capacity: 128 M + 64 M; maximum support 32GB. TF memory card (not included in the product)  G-sensor: support pedometer analysis, sedentary reminder, sleep monitoring; antiloss; remote control cameraCompatibility: Android 4.2 and higherLanguage: English, Russian. German, Polish, French, Dutch, Spanish, Portuguese Turkish Chinese This is IP67 waterproof, can't bathe or swim