sir app ki information barhane ke leye bata raha hon Bluetooth ek device hai jo market se app ko kharedni paregi. or han es ki speed zaroor 115 hai leken bluetooth technolgy 4 multi technology hai app jo 460 dekhte hian wooh 115 main nazar ayega kion ke ager 4 se maltiply karo tu same hojata hai yeh device multipal device hai sir. or jis ko samjh nahe aya main jald i asan tareka dhondoga app ko samjhnane ke leye.
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