Model：DT4
app：Wearpro
Chip：RTL8762DK
Android OS：Supports Android 4.4 and above
IOS：Apple iOS 10.0 and above
Heart Rate Sensor：Zhangheng BD1662_I2C
BT：Dual BT 5.0
Waterproof Level：IP67
Screen size：1.36 inch full round
Screen Resolution：390*390
Screen type：IPS full view color screen
Screen material: Glass
Battery Type：Lithium Battery
Battery Model：551830 Polymer lithium
Battery voltage：3.7V
Battery capacity：280mAh
Life time：Normal use 3-5 days, standby 15-25 days. (depends on personal usage after connection )
Function:Breathe training, dial push,stopwatch,brightness adjustment, multi-sports mode,sleep,heart rate,message,music control,remote camera, weather,search phone (connected to mobile phones), BT calls,BT music playback,password protection,calculator,Split screen display,quick shortcut,weather,female assistant,massager,Alipay, GPS track,voice assistant,my QR code
Device supported languages:English, Chinese, Traditional Chinese, Danish, Greek, Latin, Romanian, Turkish, Hebrew, Czech, Polish, Spanish, German, Russian, Portuguese, French, Japanese, Italian, Vietnamese, Korean , Arabic, Persian
Craftsmanship：Zinc alloy+IML
Product weight：36g
Total length of wristband：250mm
Wristband material：Silicone
Size of case：44*11MM
Size of strap：Watchband width： 20MM
Package size：238*74*30MM
Packing size：380*320*270MM
Packing quantity：50 pcs/ box
Total weight (box packing + manual + product)：175g
Charging method：Wireless charger or magnet charger (optional)
Charging time：around 3 h
Color of Strap：Vinyl, silver, rose gold, black steel, silver steel, rose gold steel
Certification：FCC ID,CE,ROHS,Battery certification