[Enhanced Sound Experience]: The buds comes with 12.4mm driver unit, which delivers crisp clear and enhanced bass quality sound experience [Sound Master Equalizers]: For the OnePlus Nord Buds 2r, you get to choose how heavy or light you want your sound with the help of sound master equalizer s 3 unique audio profiles -Bold, Bass & Balanced [Battery Life]:The flagship-level battery life for the all-new OnePlus Nord Buds 2r delivers up to 38 hrs of non-stop music on a single charge.; [IP55 rating]: IP55 Water & Sweat Resistance [Gaming Mode]: It allows users to access a plethora of features while playing supported games on a OnePlus handset. They can be accessed at any time while playing games and give players the option to toggle different features and settings Battery Average Life: 38.0 Hours; Model: E510a