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This is a soundproof earplugs.First,cut off the noise,bullet-shaped appearance is comfortable to wear and good sound insulation,protect your hearing,improve sleep quality.Second,use Bluetooth to connection with phone to play music,intelligent control volume and playback time to prevent hearing.Third,with a vibration alarm function,wake myself,avoid disturbing others rest.Earplug material is High elastic polyester material,soft and comfortable.Energy supply,the use of wireless charging technology,into the storage box to start charging.Omit the wire,to avoid discomfort and sense of restraint.The crowd: long-term work in a noisy environment。
Ze dong Cui,