High-tech gadgets on display in Japan

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Japan's Nihon University professor Sadao Omata displays the new blood pressure monitor 'IC Me.' and a smartphone to display blood pressure, pulse wave at the Wearable Device Technology Expo in Tokyo on January 14, 2015. Omata is now developing the new device to detect cancer of the breast using the same device and technology. (AFP/Getty Images)

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A pianist wears special gloves with motion sensors that record the fingerwork of players at the Wearable Device Technology Expo in Tokyo on January 14, 2015. Japanese music instruments maker Yamaha developed the gloves with 12 sensors of flexible nanomaterial consisting of aligned carbon nano tubes to monitor players' fingering. (AFP/Getty Images)

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A pianist wears special gloves with motion sensors that record fingerwork of players at the Wearable Device Technology Expo in Tokyo on January 14, 2015. Japanese music instruments maker Yamaha developed the gloves with 12 sensors of flexible nanomaterial consisting of aligned carbon nano tubes to monitor players' fingering. (AFP/Getty Images)

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A model displays Japanese office machine maker Brother's new head mount display (HMD) 'Air Scouter' at the Wearable Device Technology Expo in Tokyo on January 14, 2015. The new device enables a user to watch a 13-inch sized screen from a distance of 1 meter. The company will put it on the market in this year. (AFP/Getty Images)

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A model displays Japanese office machine maker Brother's new head mount display (HMD) 'Air Scouter' at the Wearable Device Technology Expo in Tokyo on January 14, 2015. The new device enables a user to watch a 13-inch sized screen from a distance of 1 meter. The company will put it on the market in this year. (AFP/Getty Images)

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A cat wears a communication device 'Tsunagaru-call', developed by Japan's electronics venture Anicall at the Wearable Device Technology Expo in Tokyo on January 14, 2015. The device can record the dog's footprint and the owners can search missing their pets with their smartphones. The company will start the service from March. (AFP/Getty Images)

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A dog wears a communication device 'Tsunagaru-call', developed by Japan's electronics venture Anicall at the Wearable Device Technology Expo in Tokyo on January 14, 2015. The device can record the dog's footprint and the owners can search missing for pets with their smartphones. The company will start the service from March. (AFP/Getty Images)