Brand Name: LIGE Category: Smart Watches System: Android OS System: iOS Function: Passometer Function: fitness tracker Function: sleep tracker Function: Message Reminder Function: Call Reminder Function: Remote control Function: Push Message Function: Alarm Clock Function: World Time Function: Power Reserve Function: week Function: Month Function: Heart Rate Tracker Function: Calendar Battery Life: 7 SIM Card Available: No Type: On Wrist Voice assistant built-in: no Language: English Language: Russian Language: Spanish Language: Italian Language: French Language: German Language: Japanese Language: Dutch High-concerned chemical: None Display Size: 1.1 inch Network Mode: None Metrics measured: Heart Rate Monitor Metrics measured: Blood Oxygen Monitor Metrics measured: Sleep Monitor Metrics measured: Blood Pressure Monitor RAM: <128MB Screen Shape: SQUARE Battery Capacity(mAh): <120mAh Resolution: 126*294 Bluetooth-compatible Version: 5.0 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: Steps Tracker Activity Tracked: Distance Tracker Activity Tracked: Calorie Tracker Waterproof Grade: Life Waterproof Battery Life: 5 Band Material: Silica Gel Touch Screen: Yes Battery Detachable: No Band Detachable: Yes App name: Keep Health CPU Manufacturer: MediaTek Certification: CE Battery Capacity: <120mAh Style: fashion Movement Type: Electronic APP Download Available: Yes Case Material: Plastic WIFI: no Choice: yes