Used Cressi F1 Frameless Dive Mask - Clear Underwater Digital Cameras Beam angle: 12º Snorkels Color:Transparent Blue It also features multiple 221352-04

Beam angle: 12º

Optical heart rate6 technology gauges activity intensity as well as heart rate variability to calculate your stress level

you'll take comfort knowing that the Airsource 3 is right in front of you ready to deliver life-saving air in a moment's notice

Spray Painted Effect colored frame that makes the mask elegant an beautiful to see

but you can also purchase the same model

Used Cressi F1 Frameless Dive Mask Clear Underwater Digital Cameras Beam angle: 12º Snorkels Color:Transparent Blue It also features multiple 221352 04 Beam angle: 12º Optical heart rate6 technology gauges activity intensity as well as heart rate variability to calculate your stress level