WHO, WHAT, WEARABLE Martian Electra E10 Predictably, wearable devices known as “notifiers” do just that—notify their user (usually with a light or a vibration) when they’re receiving calls, emails, and texts. Yet some connected devices can actually stand in for smartphones on occasion. Martian’s sporty-chic Electra E10 smartwatch still has to be tethered via Bluetooth to a phone—but its innovative voice functionality leaves you hands-free far more often.  What we liked: We appreciated the simple convenience of being able to make, accept, and conduct phone calls from our wrist. You can even command the watch to read emails aloud.   What we didn’t like: The bejeweled bezel—though certainly there’s a consumer who goes for such things.   Best features: The Electra E10 is also an analog quartz watch (with Japanese movement)—so it’s able to p