LCD Digital Anemometer Handheld Wind Speed Air Flow Meter Wind Tester 0.3-30m/s-
Bluetooth 5.0 Wireless Receiver NFC 3.5mm Jack AUX to 2 RCA Audio Stereo Adapter. Wireless Bluetooth Receiver Audio Stereo 3.5mm Jack NFC AUX to 2 RCA Adapter UK. Wind speed unit:m/s km/h ft/min knots mph.