Product Name: HK9 Ultra 2 Smart watch
screen size: 44-49mm, 2.1inch
battery life: Up to 4 days
waterproof standard: ip67
operation system: Android, IOS
band material: Rubber
case material: Steel
Keyword: New watch9 Series9 Ultra version
Waterproof: IP67 Waterproof
APP: wearfit pro app
Straps: Support 42/44/45/49mm straps
Charging method: Wireless Charging Stand