Buddy-Watcher for Communicating Underwater

Meet Buddy-Watcher: a wearable device that uses ultrasound technology to keep you connected with your team underwater. Just wear it on your wrist like a watch and press its button to trigger a vibration on the arm of your friend. It is useful when you are in trouble or want your diving partner to check something out.

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Buddy-Watcher is designed for fresh and salt water to 40m deep. It has a frequency of 64 kHz and does not cause any disturbance underwater. It lasts up to 8 hours.

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