How is the call quality on the 3g model? I'm still waiting on my free gear from the s7 promo. I'm new to smart watches, but I know a few people with Apple watches. All of them say calling is almost useless. They say that the speaker is so low, you can barely hear the caller and you must hold the watch right up to your mouth to speak for the caller to hear you. I'm hoping the gear s2 is much better. I would like to be able to talk on the gear without necessarily stopping what I'm doing