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this bluetooth earphone with hi-fi stereo sound system, including 2 hd speakers for listening to music, brings you a new and great experience. led power display, mini charging compartment, left and right ear power display ears comfortable and painless, light weight, no pressure, no harm to hearing life-grade waterproof and sweat-proof, lightweight and comfortable waterproof and sweat-proof design can effectively prevent splashing damage caused by sweat and rain.syi