Brand Name: COTAUL Category: Smart Watches System: Android Wear System: Android OS System: iOS Function: Passometer Function: fitness tracker Function: sleep tracker Function: Message Reminder Function: Call Reminder Function: Answer Call Function: Dial Call Function: Remote Control Function: Push Message Function: Big Three Needles Function: 24 hour instruction Function: Chronograph Function: Alarm Clock Function: Small Second Function: World Time Function: Calorie Counter Function: Permanent Calendar Function: Multiple Time Zone Function: Power Reserve Function: GMT Two Places Function: Perspective Window Function: week Function: Speed Measurement Function: Month Function: Heart Rate Tracker Function: Interactive Music Function: Noctilucent Function: Calendar Function: Lighting Function: Countdown Function: Calculators Battery Life: 12h SIM Card Available: No Type: On Wrist Voice assistant built-in: Yes Language: English Language: Russian Language: Spanish Language: Polish Language: Portuguese Language: Turkish Language: Italian Language: French Language: German Language: Ukrainian Language: Hebrew Language: Dutch Language: Arabic Language: Indonesian Language: Greek High-concerned chemical: None Display Size: 1.73 inch Network Mode: None Metrics measured: Heart Rate Monitor Metrics measured: Other Metrics measured: Blood Oxygen Monitor Metrics measured: Sleep Monitor Metrics measured: Blood Pressure Monitor RAM: <128MB Screen Shape: SQUARE Battery Capacity(mAh): 120-180mAh Resolution: 128*160 Bluetooth-compatible Version: 5.0 GPS: No Screen Material: LCD Multiple Dials: Yes Application Age Group: Adult Mechanism: Yes Origin: Mainland China Compatibility: All Compatible ROM: <128MB Rear Camera: None Activity Tracked: Other Activity Tracked: Steps Tracker Activity Tracked: Distance Tracker Activity Tracked: Calorie Tracker Activity Tracked: Activity Tracker Waterproof Grade: Life Waterproof CPU Model: 8918MB Battery Life: 1 Band Material: Silica Gel Touch Screen: Yes Battery Detachable: No SIM Card Slot: NO Band Detachable: Yes App name: LAXASFIT Style: Fashion Movement Type: Electronic Model: i8 APP Download Available: No Case Material: Alloy Accessory Type: Chargers WIFI: Yes Choice: yes