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A GPS watch is a device with integrated GPS receiver that is worn as a single unit strapped onto a wrist, in the manner of a watch. The watch can have other features and capabilities depending on its intended purpose. GPS watches are most often used for sports and fitness purposes. Many can connect to external sensors by the wireless ANT+ protocol, and/or to a computer by USB to transfer data and configuration. Common sensors used are heart rate monitors and footpods (running cadence and speed sensor). A footpod can be used to supplement or replace GPS data, such as providing treadmill speed and distance for the watch to log and share. Recharging by USB is commonplace. == Optional features == * Display (Illuminated or passive) * Time display * Speed/pace display * Map display * Routes * Route tracking * Heart rate monitor compatibility * Running cadence and speed sensor (footpod) compatibility * Cycling cadence sensor compatibility * Cycling power meter compatibility * Weight scale compatibility * Compatibility with sport transitions (such as triathlons) * Training programs (such as intervals) * Computer connection for logging, mapping and sharing data * Hydration/nutrition reminders * Reminder alarms to alternate between running and walking * Accelerometer for tracking indoor swimming * Touchscreen * Larger add-on rechargeable battery for longer events (marathon, etc.) 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「GPS watch」の詳細全文を読む スポンサード リンク
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