<p>Description:</p> <p>Material: Silicone</p> <p>Noise reduction rate: 40%</p> <p>Function: sound insulation, noise reduction, waterproof</p> <p>Use range: sleep, rest, work, exercise</p> <p>Efficacy: sound insulation, noise reduction, waterproof</p> <p>Packing: plastic storage box + color box</p> <p>Whether washable: washable</p> <p>Earplug head shape: umbrella</p> <p>Noise Reduction Rating (NRR):40%</p> <p>Specifications:</p> <p>1. Environmentally friendly silica gel, washable, can be washed repeatedly after use, protect the health of the ear canal</p> <p>2. Immersive noise reduction earplugs, stop the hustle and bustle of quiet life has never been so simple</p> <p>3. sound insulation upgrade effective filtering of living noise innovative sound insulation core accurate isolation of all kinds of living noise</p> <p>4. Ergonomic design, comfortable to wear, fitting ear shape flexible tail precision fit ear ridge rolling does not fall off</p> <p>5. Transparent shell, compact and easy to carry transparent shell packaging out of easy to carry</p> <p>Package Included:</p> <p>1 * Earplug Set</p>