USB : 2.0, Type-C 1.0 reversible connector
Sensor Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
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Redmi 9
WLAN : Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot
Bluetooth : 5.0, A2DP, LE
GPS : Yes, with A-GPS, GLONASS, BDS
NFC : Yes (market/region dependent)
Infrared Port :Yes
Radio : Wireless FM radio (no wired headphones required)