Activity Monitors features: Smart watch for unisex with Bluetooth Calls 1.6 inch Touch Screen Waterproof Multifunction Outdoor Sports for Android IOS-gray Color: we send based on the color or size of the main image of the product page. Quantity：we send based on quantity on title, if there is no quantity in the title, we send based on description. Description:Waterproof: IP67Screen: full fit, full touch screenScreen resolution: 320 * 320Screen size: 1.6 inchCharging mode: magnetic suction chargingBattery: 200 MahFront shell: zinc alloy, glassBody size: diameter 42mm, thickness 11.5mmBare metal weight: 54GBluetooth: 5.2Product Features:Operating System: CoreCalories: SupportCamera remote control: SupportBT Call: SupportBT music player: SupportTime synchronization.:SupportCall History: Support to answer and call back the last oneAnti-lost: SupportRedial: SupportSleep monitor: SupportSteps: SupportHeart rate: SupportBluetooth headset: SupportBlood pressure: SupportAlarm: SupportMultimotion sports mode; SupportWaterproof: IP 67 life waterproofSystem requirements: android5.0 +, ios10.0 +APP language:French, German, English, Japanese, Spanish, Italian, Korean, Russian, Thai, Czech, Portuguese, Indonesian, Arabic, Turkish, Greek, Estonian, Bulgarian, Latvian,Lithuania, Romania, Serbian, Slovak