Features 1 bluetooth Chip V5 3 Experience enhanced connectivity with the latest bluetooth 5 3 chip offering superior transmission speed and connection stability 2 13mm Large Composite Diaphragm Enjoy rich dynamic sound with the 13mm large composite diaphragm delivering deeper bass and crisp high notes 3 ENC Call Noise Cancelling Engage in crystal clear conversations with advanced Environmental Noise Cancellation ENC technology that reduces ambient noise 4 30H Playback Benefits from long lasting battery life providing up to 30 hours of playback when combined with the charging case 5 Low Game Delay Immerse yourself in gaming with ultra low latency ensuring smooth and seamless audio synchronization during gameplay 6 Touch Control Easily manage your music and calls with intuitive touch controls allowing for effortless operation and voice assistant activation Specifications GeneralSpecificationBrandLenovo ModelTC3302 ColorBlack White Blue GreyWearing TypeSemi in earSpeaker Unit13mmFrequency Response20Hz 20kHzbluetoothbluetooth VersionV5 3Supported ProfilesHSP HFP A2DP AVRCPTransmitting Distance10mBattery ChargingBattery Capacity35mAh Earbuds 320mAh Charging Case Work Time6h only Earbuds 30h with Charging Case Charging Time1 5hOther FeaturesMicrophoneYesSizeWeightProduct Weight0 0600kgPackage Weight0 1000kgProduct Size80 70 35mmPackage Size120 100 50mmPackage list2 Earphones1 Charging Case1 Charging Cable1 User Manual