Samsung (Renewed) Galaxy Watch4 40mm Aluminium LTE GPS

Key Features

• Watch case colour: Black
• Watch case material: Aluminium
• Activity tracker: Yes
• Heart rate sensor type: Optical
• Quality of sleep: Yes
• Personal goals: Yes
• Always-on display: Yes
• Band colour: Black
• Watch glass type: Corning Gorilla Glass DX+
• Blood pressure monitor: Yes
• Heart rate contact sensors: Yes
• Blood oxygen sensor: Yes
• Display technology marketing name: Super AMOLED
• Caller ID: Yes
• Resolution: 396 x 396pixels