Model No.: W888. ROM: 64GB ROM, Support TF card up to 128GB maximally(Not included). RAM: 4GB RAM. Mic: Support. 1 x Smartphone(Walkie Talkie). 4G: FDD-LTE: B1/2/3/4/5/7/8/12/13/17/18/19/20/25/26/28A/28B.
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