Craft Men's Endur Aero Jersey Colour:Graystone and bio-based frame

and bio-based frame

Visible Connection Indicator - Two LED lights show the sensor's device connection (blue) and speed detection (red)

so here it is

WiFi & Bluetooth Connectivity

Includes two

Craft Men's Endur Aero Jersey Colour:Graystone and bio-based frameEndur Aero Jersey is a technically advanced bike jersey that provides great aerodynamics for enhanced speed. This innovative high speed jersey has a very tight fit and features bodymapped fabric panels with different surface structures (channel structure on sleeves and plain structure on body) to increase the air flow and reduce drag. In addition, the jersey comes with extra long sleeves with raw cut, streamlined ends. Elastic edging at back bottom