CYCPLUS Speed & Cadence Sensor C3, Set of 2 Functions as a speed sensor or cadence sensor depending on the setting of the battery cover. Both are new and unused, but the box of one was damaged during purchase, so it was discarded. The contents and accessories are not affected. Transfers speed data & cadence data to cycle computers and apps via Bluetooth or ANT+. Brand: CYCPLUS Model: Speed & Cadence Sensor C3 (ANT+/Bluetooth 4.0 compatible) Size: 38mm x 29.5mm x 9.5mm Weight: 9.2g Operating Time: 300 days standby / 600 hours cadence sensor / 400 hours speed sensor Battery: CR2032 included Discounts and dedicated listings are not available.