Dustproof and waterproof. It can be placed in water 1m in depth. - Global free intercom, smooth communication. VR-N75 requires no card, no service fee, no platform fee, just buy it and use it. As long as there is an Internet (2G, 3G, 4G, 5G, WIFI) around the world, global intercom can be realized, real network and radio integration can be realized, and the whole network has no dead spots.
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