Feature

• 6 Colors Display
• (Black, White, Red, Yellow, Blue & Green)
• 7.3-inch electronic ink screen
• Bluetooth Low Energy 5.0 technology
• Product size: 182.5*128.9*16.3 mm
• Endurance time: 5 Years(Updated 5 times a day)

Advantage

• The display effect is more colorful

Benefit

• Low Power Consumption
• Fast Refresh Speed & Good Stability