Exclusively Designed for Portability - Kids and Elderly. Within 1-2 minutes you will receive a SMS reply. 4G and 3G Backwards Compatibility. Waterproof Structural Design. Waterproof Silicone Case. 4G-FDD： B1 B2 B3 B4 B5 B7 B8 B12 B20 B28A( 4G 700Mhz).
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