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Huawei Band 4 arrives with a color display and USB-A charging port - GSMArena.com news
Huawei Band 4 Pro comes with an SpO2 sensor, GPS and NFC
For Huawei Honor Band 4 Bracelet 0.95" Touch Screen Bluetooth Smart Watch Band | eBay
Original Huawei Band 4 Smart Band Bracelet Fitness Heart Rate Sleep Monitor Blood Oxygen Saturation Detection 5atm Waterproof - Wristbands - AliExpress