Drink Water Reminder Bluetooth AI Smart Insulation Cup

Product information:
Color: Black (pure black), gradient purple (purple White), White (White flower arrangement)
Material of liner: 316 stainless steel
Insulation Performance: 24-36 hours
Material: 316 stainless steel
Shell material: 304 stainless steel
Style: Bullet
Function: regular, household, portable, heat preservation
Style: modern simplicity
Capacity: 520ml