Attention: Welcome to my shop We ship the product from China, the delivery time is 7-14 days Product DescriptionWatch-case:High aluminum zinc base alloy ZA-8Strap:Imported high tensile siliconeCompatibility:Support Android and IOS systemsDisplay screen:FSTN / full viewBluetooth:BT 4.0Waterproof level:5 ATM or IP67Battery:Wansheng CR2032Head size:45.5 x 45.5 x 13.0 mmStrap size:International standardManual language:Chinese Traditional; Chinese Simplified; English; German; Russian; Spanish; French; Italian; JapaneseProduct Features:Full-time display; alarm clock and stopwatch; walk monitoring, movement data storaging; information reminders; remote camera;luminous dial