The product is shipped based on the COR or TAMANHO of the main image of the product page.This is a multi-functional smart bracelet. It has a 0.96-inch touch screen. It is compatible with iOS 8.2 and above, Android 4.4 and above. It will give you great experienceFeatures:Support heart rate monitoring and blood pressure measurement.0.96 inch COR screen, high resolution images.Remind you if there is a message or a call coming.Record the steps into your bracelet every day.Monitor and analyze your whole sleep quality.Support life waterproof and Stopwatch function.Support Android 4.4 and above, IOS 8.2 and above, BT 4.0 version.Parameters:Screen: 0.96 inch screen (160*80)Chip: NRF52832Memory: 256K+16MBT: BT 4.0System: for Android 4.4 / IOS 8.2 and aboveCharging: USB ChargingBattery: 105mAh polymer lithium batteryWorking time: 7 daysStandby time: 30 daysLanguage: Simplified Chinese, Traditional Chinese, English, French, German, Italian, Japanese, Korean, Malay, Portuguese, Russian, SpanishMain functions: Time, step count, heart rate monitor, blood pressure measurement, calories, distance, alarm, sleep monitor, call reminder, message reminder, sedentary reminder, stopwatch, phone search,etc.Specifications:COR: preto ouro / preto prata / preto cinza / vermelho / azul (Optional)Case Material: Stainless Steel + PCBand Material: TPUWater Resistant: IP67Dial Diameter: 5.1 * 2.2cm / 2.01 * 0.871inDial Thickness: 1.3cm / 0.51inWatchband Width: 1.7cm / 0.67inWatchband Length: 22cm / 8.66inWatch Weight: 24g / 0.85ozPackage TAMANHO: 14 * 8.5 * 3cm / 5.51 * 3.35 * 1.18inPackage Weight: 76g / 2.68ozNotes:Support life water-resistant (not for taking shower, swimming and diving).Because of photograph light or other reasons, the picture and material object may have slight difference, please in kind prevail. ThanksPackage List:1 * Bracelet1 * Charging Cable1 * User Manual