Features 1 Effective Noise Cancelling The earphones feature Smart Dynamic Noise Cancelling 2 0 that effectively minimizes background noise and 5 microphones which further enhance call clarity 2 Superior Sound Quality These earphones are supported by L2HC and LDAC dual HD Audio Decode Technology and hold an HWAHi Res Audio Certification ensuring excellent sound quality achieving up to 990kbps transmission rate 3 Long Battery Life With a single charge these earphones offer up to 25 hours of continuous playback time with the noise cancelling feature turned off 4 Water and Dust Resistant Rated IP55 for water and dust resistance these earphones are perfect for use during sports or in any outdoor setting 5 Multi device Connection They are designed to support multiple device connections you can effortlessly switch between different HarmonyOS systems devices Specifications GeneralSpecificationBrandHuaweiModelFreelace Pro 2ColorBlackWearing TypeNeckband In earCertificatedHWAHi ResWaterproofIP55Frequency Response15Hz 40kHzbluetoothbluetooth VersionV5 3Supported ProfilesA2DP AVRCP HFP HSPTransmitting Distance10mBattery ChargingBattery Capacity150mAhCall Time9h Noise Cancelling on 10 5h Noise Cancelling off Music Time12 5h Noise Cancelling on 25h Nosie Cancelling off Standby Time100hCharging Time1hOther FeaturesMicrophoneYesNoise CancellingYesSizeWeightProduct Weight0 0500kgPackage Weight0 0900kgProduct Size64 49 26mmPackage Size85 70 38mmPackage list1 Earphon