Brand Name: LIGE Category: Smart Watches System: Android Wear Function: Passometer Function: fitness tracker Function: sleep tracker Function: Message Reminder Function: Call Reminder Function: Answer Call Function: Dial Call Function: Push Message Function: Altitude Meter Function: tourbillon Function: Big Three Needles Function: 24 hour instruction Function: Chronograph Function: Alarm Clock Function: Small Second Function: World Time Function: Calorie Counter Function: Power Reserve Function: week Function: Speed Measurement Function: Month Function: Noctilucent Function: Lighting Function: Calculators Battery Life: 5 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: Japanese Language: Ukrainian Language: Arabic High-concerned chemical: none Display Size: 1.7 inch Network Mode: None Metrics measured: Heart Rate Monitor Metrics measured: Other Metrics measured: Blood Oxygen Monitor Metrics measured: Sleep Monitor RAM: <128MB Screen Shape: Round Battery Capacity(mAh): >450mAh Resolution: 360*360 Bluetooth-compatible Version: 5.2 GPS: No Screen Material: Amoled 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 Dial Window Material Type: Glass Band Material: Silica Gel Touch Screen: Yes Battery Detachable: No Band Detachable: Yes App name: BWAK87 Certification: CE Certification: FCC Certification: RoHS Style: fashion Movement Type: Electronic Model: BWAK87 APP Download Available: No Case Material: Precious Metals WIFI: no Choice: yes