Fangrui Product Details Fangrui Product Details . [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 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) [optional Heart Rate Monitoring ]an Optional That Works With Bikes With Pulse Sensors (usually 2 X Metal Pieces On Handle Bars). Re-wiring Might Be Required For Some Perticular Models. 2 X Aaa Batteries Included Colour: Black Material: Plastic Package Contents: 1 X Exercise Bike Computer Only The Above Package Content, Other Products Are Not Included. Note: Light Reflection And Different Displays May Cause The Color Of The Item In The Picture A Little Different From The Real Thing. The Measurement Allowed Erro Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.