Parameters:
Chip: low-power design GR5515 
PPG sensor chip :  SFH2201 
Audio chips: TYHX3220 (512HZ) 
Blood oxygen chip: GH3220 RF analog front-end+ SFH2201 
G-Sensor: Rohm KXTJ3-1057 
Battery Capacity: 280mAH 
Screen size: 1.39-inch 360*360 HD touch screen 
heart rate/blood pressure: Green light PPG 
Waterproof: waterproof ip68 
Bluetooth: Bluetooth v:5.1(compatible Android 5.0 and IOS 9.0 above version) 
Operation mode: Full touch screen+button 
Material: Zinc Alloy case+Abs 
Strap: Environmental TPU/leather watchband 
Charging mode: Magnetic suction charging line

Features:
Health Monitor: Sleep monitoring, heart rate, blood pressure, sitting reminders, drinking reminders, blood oxygen, 

sports modes: Sports steps, sports mileage record, card road consumption, a variety of sports modes.  Movement track (mobile APP display)

Standby time: 30 days standby, daily battery life of 4-7 days (the above data from the factory laboratory, may be different due to personal use environment, different processes)  

Other functions: Mute alarm clock, remote photo, music control, sedentary reminder, drink water reminder, weather display, wrist light screen, call reminder, SMS reminder, countdown, shake to take photos, mobile phone search, etc 

Wechat movement: Follow the public account, can share synchronization to WeChat campaign 

language:
Watch ui languages: Chinese Simplified, Chinese Traditional, Korean, Japanese, English, German, French, Italian, Spanish, Portuguese, Russian, Turkish, Croatian, Dutch
APP language:
Russian, Hungarian, Türkiye, German, Italian, Czech, Slovak, Japanese, French, Polish, Persian, Simplified Chinese, Traditional Chinese, English, Portuguese, Spanish, Vietnamese, Arabic, Korean

Packing List:
1* Original Smart Watch
1* charger
1* Manual
1* Original Box
1* Gift Band
1* Screen Film