※Forgive me, and connection stability & waterproofing adopts Bluetooth4.0, and, for other stores and stock combination, in the case of out of stock, connection is very stable. I can be automatically reconnected immediately even if I break off across a connection effective range. It is easy to be connected and realizes comfortable data communications. In IP68, I can apply swimming, hiking, walking, the ski to waterproofing protection as a perfect friend at the same time, too. long time battery carrier & Is one charge by an energy-saving design; 3 for five days is available consecutively. It is 30 days at wait time and can omit trouble to charge frequently. As I can cooperate with the smartphone music application, I can control reproduction, a stop of the music, the next music, music before it at hand. receipt notice & health life management I support an email, Instagram, Whatsapp, skype, Viber, notices such as WeChat of message and an incoming notice, and, SMS, LINE, Twitter, Facebook, the letter contents can show (such as Gmail, Yahoo, the au), too. I automatically measure a heart rate for 24 hours and perform a function. The weather information runs out, too. smart I adopt 1.3 inches of colored glass screen, and a notice and a letter are more greatly displayed in high-precision . I can regulate the brightness of the screen, too. I can choose many clockfaces-style and am good to and . ※Forgive me, and connection stability & waterproofing adopts Bluetooth4.0, and, for other stores and stock combination, in the case of out of stock, connection is very stable. I can be automatically reconnected immediately even if I break off across a connection effective range. It is easy to be connected and realizes comfortable data communications. In IP68, I can apply swimming, hiking, walking, the ski to waterproofing protection as a perfect friend at the same time, too. long time battery carrier & Is one charge by an energy-saving design; 3 for five days is available consecutively. It is 30 days at wait time and can omit trouble to charge frequently. As I can cooperate with the smartphone music application, I can control reproduction, a stop of the music, the next music, music before it at hand. receipt notice & health life management I support an email, Instagram, Whatsapp, skype, Viber, notices such as WeChat of message and an incoming notice, and, SMS, LINE, Twitter, Facebook, the letter contents can show (such as Gmail, Yahoo, the au), too. I automatically measure a heart rate for 24 hours and perform a function. The weather information runs out, too. smart I adopt 1.3 inches of colored glass screen, and a notice and a letter are more greatly displayed in high-precision . I can regulate the brightness of the screen, too. I can choose many clockfaces-style and am good to and .