Enhanced Sound Experience: The buds comes with 12.4mm driver unit, which delivers crisp clear and enhanced bass quality sound experience. [Crystal Clear Call]: Nord Buds 2r has Dual Mics which work with AI Clear Call algorithm which help in accurately blocking out background noise to keep your calls extra clear. [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. [Bluetooth Version]: BT 5.3 Connectivity. We Only Sell 100% Original, Top-Quality Oneplus Genuine Products. We Only Sell 100% Original, Top-Quality Oneplus Genuine Products. Specifications General Brand: OnePlus Item model number: E510A Color: Deep Grey, Triple Blue Wireless communication technologies: Bluetooth Product Dimensions: 2.9 x 2 x 2.3 cm; 38 Grams Special features: OnePlus Fast Pair, Dolby Atmos support, Dirac Toner, Sound Master Equalizer, Compatibility with HeyMelody app Manufacturer: Oneplus Connectivity technologies: Wireless Other display features: Wireless Audio Jack: usb Form factor: In ear, In Ear Country of Origin: China Item Weight: 38 g Warranty Warranty: 1 Year  Warranty