If you're passionate about IT and electronics, like being up to date on technology and don't miss even the slightest details, buy Smart ring Ultrahuman Ring Air at an unbeatable price.

• Type: Smart ring
• Size: Size 7
• Colour: Grey
• Characteristics:
  • Cardiac rhythm monitor
  • Portable
• Connectivity: Bluetooth
• Includes: Battery
• Batteries included: Yes
• Recommended age: Adults
• Battery type:
  • Litio Ion
  • Rechargeable lithium battery