MGem!

Before today, setting is only used for traditional gems in the fashion industry. Now, we have more selection: MetaGem smart gem. );Reminder: you can put it on and connection your mobile phone, the gem will flash to remind you when receiving important calls, messages, social information, and you can set different flashing colors as well;Exercise: record your daily physical activity, daily calories, distance and time;Sleep: automatically monitors your sleep status;Heart rate: measure your heart rateunderstand the ups and downs of heart rate;Fun: improve your habits, playing casual games while playing sports.