This ANT+ USB receiver receives activity data if the compatible fitness device is within range. It is suitable for many bike devices, a must-have for cycling enthusiasts!Features:ANT+ communications protocol; up to 8 channels.Receive ANT+ signal and translate it into USB protocol for computer software.Plug the USB port into a computer and search for the cycling software, easy to use.Suitable for Garmin, for Zwift, for Wahoo, for Bkool.Mini size and light weight, very convenient to carry.Specification:Material: PlasticOptions: Wireless; WiredTransmission Distance: 3-5cmSize: Approx. 1.8 * 1.5cm / 0.7 * 0.6inchUSB Cable Length: Approx. 268cmWeight: Approx. 15-158gPackage List:1 x USB ANT+ Receiver Other items in the picture are not included..