Brand Name : OnePlusStyle : In-earVocalism Principle : DynamicOrigin : Mainland ChinaActive Noise-Cancellation : YesControl Button : YesCommunication : WirelessVolume Control : NoCertification : NONESupport Memory Card : NoWaterproof : YesWireless Type : bluetoothPackage List : User Manual,Charging case,Charging CableCodecs : AAC,sbcIs wireless : YesBluetooth Version : OtherCharging Method : Charging caseSupport APP : YesFunction : for Video Game,Common Headphone,For Mobile Phone,SportWith Microphone : YesFeatures : With Microphone,Active Noice CancellingChinese Version : YesValue: : Bluetooth EarphoneFunction: : With Microphone Bluetooth EarphonesFunction 1: : With Microphone Bluetooth HeadsetsFeature: : Headphone BluetoothFeature 1: : Wireless EarphonesFeature 2: : Bluetooth Earphones SportFeature 3: : Bluetooth EarphonesDust and Waterproof Rating : Headphones IP55Chinese Version OnePlus Buds NBasic InformationProduct Marketing Name: OnePlus Buds NModel Name:Headphone model: E505ACharging box model: E505AColor: White/Black/BlueChip: BES2500IUAcoustic indicators:Sound unit: 12.4mm moving coil unitFrequency response range: 20Hz~20KHzMicrophone sensitivity: -42dBV/Pa (+-1dB)Number of microphones: 2/single sideImpedance: 32±15%ΩSound pressure: 98dB (TYPE 4128)Sensitivity: 101±3dBRated power: 5mWBluetoothBluetooth codec: AAC/SBCBluetooth version: 5.2Bluetooth effective distance: 10mBluetooth transmission protocol: BLE, SPP, HFP, A2DP, AVRCPFunction:Call function: 2 microphonesWear detection: not supportedPairing pop-up window: only supports one plus mobile phone pop-up windowDust and Waterproof Rating: Headphones: IP55Whether to support OTA upgrade: YesVoice Assistant: SupportStatus IndicatorRed light: low batteryWhite light: pairingGreen light: sufficient powertouchTouch function: support (click, double click, triple click, long press)Whether to support APP custom settings: YesControl methodClick Default: ''Play/Pause'', can be customized as: ''Play