Master of bone conduction earphone Bluetooth5.0 hangs it after kaban earphone bone conduction sports high-quality sound; expression light weight ear hands-free call sweat-proof drip-proof DENDOUSHI

★Please confirm it by all means ★ =When = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = book product is the radio apparatus which the skill proper mark to prove that it adapts to a technical standard established in electric wave laws and ordinances is not attached on and uses it in Japan, there is fear to be in violation of the Wireless Telegraphy Act. In the case of the use, I would appreciate your being careful enough. For more details, please ask nearest Ministry of Internal Affairs and Communications synthesis Communication Bureau. =I transmit a sound by introducing minute vibration into the inner ear from a jugal bone by adoption in a = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = [bone conduction technology/stable Bluetooth connection] bone conduction technology and am neckband type light weight headphones to hang in the ear from the back of the head. I adopt an in front of eyes advanced Bluetooth5.0 technology and, in the middle of various sports, can enjoy music of the high-quality sound. The conversation with the built-in microphone is very clear, too. The effective range of Bluetooth is 10M-15M. I can experience high-speed and pairing connection without the break. ※Please refer to an image for the details. In the case of the [only as for the credit settlement] collect on delivery settlement, I add it before the postage 755 yen shipment. ※Hokkaido accepts +215 yen, remote island area and Okinawa for 2,000 yen.