Product detailsProduct name: Lenovo LP40 PROBrand: LenovoModel: LP40 PROFunction: call function support music headsetMaterial: ABSColors: White/Green/Pink/Purple(Macarone)Bluetooth version: 5.1Color classification: black white Purple Pink GreenPackage type: official standardHeadphone category: true wireless headphonesWaterproof performance: IPX5How to use: In-earTransmission radius: 10mWhether single or double ear: Bilateral stereoConnection between the left and right cavities of the earphone: wireless connectionDustproof performance: IP5XHeadphone and playback device connection method: Bluetooth connection.