Indicators - keypad lock, silent or offline profile, Bluetooth state, new messages and missed calls;

指标-键盘锁，静音，脱机，蓝牙状态，新的短消息和未接电话；

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API support for Bluetooth A2DP and HSP profiles lets applications query Bluetooth profiles for connected devices, audio state, and more, then notify the user.

API对蓝牙A2DP和HSP配置的支持使得应用可以查询连接的蓝牙设备所提供的蓝牙协定、音频栈等，并通知用户。

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This article analyses the structure of data communication system based on Bluetooth module in detail, and emphasizes the method of realizing HCI drive using the mechanism of HCI state machine.

文章详细分析了基于蓝牙模块的数据通信系统构成，着重介绍了使用HCI状态机的处理机制来实现HCI驱动的方法。

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"We believe this all-new version of our flagship activity and sleep tracker, combined with state-of-the art Bluetooth syncing and our fresh, innovative social features will create a great experience that will inspire and empower people to live healthier more active lives, " James Park, CEO and founder of Fitbit.

ENGADGET: Fitbit One tracker now ready to wake you up, count your calories all day for $100