Model: D18 Type: Smart Watch Alert type: Vibration BT Version: BT 4.0 Battery Capacity: 90mAh Operating mode: button Support heart rate, pressure, oxygen , sleep function, when you fall asleep, it will automatically the quality of sleep and record data on the APP. Material: ABS&Rubber IP65 for daily life, -sport mode, suitable for outdoor sports. Automatically record daily movement step and data. App Language: Chinese, English, Spanish, French, German, , Arabic, Dutch, Portuguese, Arabic, Turkish, Japanese, , Thai Resolution Ratio: 240 x 240 1xSmart Watch Support call and message notification, no important information will be missed. Screen Size: 1.3inch Compatible OS: Android 5.0 and above/IOS9.0 and above USB plug-in charging design, the wrist strap to plug in and charge, easy and convenient. Functions: Alarm setting, Sedentary reminder, Heart rate , Pedometer, Sleep , Call/message reminder, Search for phone, Hand raise to light up, Remote camera and more. 1.3 inch color screen with high sensitivity and single control, which can realize various operations. 1x User Manual Cardio Smart Watch And Learn Smart Watch Sleep Trackers Smart Watch T1 Pro Boys Smart Watch App Language: Chinese, English, Spanish, French, German, , Arabic, Dutch, Portuguese, Arabic, Turkish, Japanese, , Thai Android Fitness Watch Fitness Watch for Android Fit Pro Smart Watch Empower compatible with Honor Band 4 Smart Watch Android Compatible OS: Android 5.0 And Above/IOS9.0 And Above Hw22 Pro And Smart Watch Smart Watch with Changeable Bands Android Wrist Watch Health Fitness Watch Resolution Ratio: 240 X 240 Gadgets Smart Watch I Fitness Watches Smart Watch round Brilliant Life Smart Watch Whoop Fitness Trackers 1xSmart Watch Fashion Smart Watch Smart Watches for Adults Smart Watch Large Womens Watch Digital Profit Smart Watch Model: D18 Type: Smart Watch Smart Watch W506 T92 Smart Watch Gel Watch Smart Watch X 22 Pro Gear Smart Watch