Check the listing for details. Phonak Serenity Choice Sleep KIM12 Reusable Earplugs. Condition: New. Listed at 29.50 USD. PhonakSerenity ChoiceSleepPhonak Serenity Choice Sleep is a new designed ear plug by Phonak. These ear plugs have been specially developed to help reduce all types of background noise to an acceptable level. By doing so this helps to improve concentration and reduce any unnecessary stress that may be caused day to day excess noise.This product is ideal if excess noise is disturbing your good night’s sleep. Whether this is street noise, loud flatmates, vehicle traffic, or someone banging around in the kitchen, these earplugs will reduce sound levels by 24dB.Let’s not forget the ultimate sleep killer – snoring partners! A moderate snorer can reach up to 60dB, whereas a severe snorer can hit up to 90dB! For a bit of perspective, an average car horn is also around 90dB! Now imagine removing 24dB of that noise and discovering authentic bedtime bliss.The acoustic filters are fitted with advanced mesh technology to ensure that the ear always remains well ventilated and will prevent a build-up of excess moisture during the night. The ear tips are made from medical grade TPE making this product Hypoallergenic and as the ear tips can be used multiple times this makes this product excellent value for money.Inserting and removing the ear tips could not be easier, once you insert the filter grip the ear tip using the tongue to allow you to insert and remove safely.• 2 ear tips of each size S, M, L• Two acoustic filters 17 dB• Aluminum key-ring carrying case• Multilingual manual