Features： 1、ANT+ communications protocol; up to 8 channels 2、Receive ANT+ signal and translate it into USB protocol for computer software 3、Plug the USB port into a computer and search for the cycling software, easy to use 4、Suitable for Garmin, for Zwift, for Wahoo, for Bkool 5、Mini size and light weight, very convenient to carry Specification： 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: Plastic Options: Wireless; Wired Transmission Distance: 3-5cm Size: Approx. 1.8 * 1.5cm / 0.7 * 0.6inch USB Cable Length: Approx. 268cm Weight: Approx. 15-158g Package List: 1 x  USB ANT+ Receiver  Other items in the picture are not included. Package List：