◆Bluetooth VERSION .Bluetooth5.3

◆ battery capacity .280mAh

◆IOS11.0 and more .Android4.4 and more correspondence

※ attention .. product ... for .. chair .... therefore ....... please refrain .

※ attention . complete waterproof ......... moreover, . Izumi etc. ........... please .. complete ... middle ......... does . breakdown ........ . ..

※. manner ....... Izumi ... Izumi ... and height .... breakdown becomes .

※ battery .. hour .. manufacturer . setting ... case under ........ . . function . setting and, use number of times . operation . case . other necessary . according to can differ . beforehand please acknowledge .

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