Source Huawei 4g LTE Cat4 USB Stick E3272s-153 similar with e3372s-153 on m.alibaba.com
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Amazon.com: POHOVE USB C Memory Stick 128GB Type C USB Flash Drive 128GB 2-in-1 OTG Pen Drive 128 GB USB Key Compatible with Samsung Huawei Oneplus Android Smartphone MacBook PC Tablets (Black) :
Huawei Mate 20 X Dual Port 32GB USB Type C Memory Stick
HUAWEI E3131 3G USB STICK MODEM 21.6 Mbps - Unboxing, setup and demo - YouTube