Specifications:

• Origin: CN(Origin)
• Model Number: 77HC9FF500405
• Material: Plastic
• Features: Bike Speed Sensor, Bluetooth, Dual Cadence
• Features 2: Practical, Gadget, Modification, Repair Supplies
• Dimension: app.3cm/1.18in
• Color: Black
• Brand Name: VSRRWL
• Applications: Bicycle