[most Exercise Spin Bikes Use This Monitor] - For Stationary Bikes With Head Phone Jack Look Connection Tips. E.g. By For Bikes Sunny, Pooboo, L-now, Snode, Exerpeutic, Pleny, Yosuda, Ativafit, Faafuu - Of Amazon Brands As Well As Domestic Brands. [keywords: Headphone-look Cables]both Speedometer Pulse Trakcing Connection Are Through 3.5 Mm Female Jacks On The Back The Monitor - Adapters (not Included) Might Be Needed If The Device Also Happen To Have Female Jacks (rare Cases). 2 X Aaa Batteries Not Included - Required Note:without Heart Rate Function Colour: As Shown Material: Plastic Package Contents: 1 X Exercise Bike Computer Only The Above Package Content, Other Products Are Not Included. Note: Light Shooting And Different Displays May Cause The Color Of The Item In The Picture A Little Different From The Real Thing. The Measurement Allowed Error Is +/- 1-3cm.