Mobile phone with a Bluetooth connection to the L12S watch smart watch, just use the watch is also very cool1, Bluetooth 3.0: compatibility with Bluetooth mobile phone so.2, power is 0.81W horn, and provided by Apple's supply chain, AAC, excellent quality3, the bracelet is using ceramic antenna, which played a bracelet and mobile phone connection is not easy to disconnect, stable transmission4, long standby time, 150 hours on the market: the Bluetooth Bracelet most battery capacity at 110 - 150 mA, this is 250 - 260, by far the highest power of a5: 32M, memory, the bracelet can be synchronized 500-600 call6, the 3D gyroscope, capacitive touch screen and so on.7, product design with human body engineering, wear comfortable, stylish high-end atmosphere on the gradeThe inner circumference is 17cm Bracelet specification more, for 14-17cm thick wrist,The main features are: hands-free phone caller ID number to vibrate the phone book synchronizationVibration alert to prevent loss of audio playback of HD Music long standby Android information synchronization step function