Features ● Large Dynamic Driver Stereo SoundProvide an incredible real sound quality when listening ●True Wireless In ear DesignWithout worrying about any stress and more comfortable to wear ● bluetooth V5 0 Chip Sound Enhanced The latest bluetooth V5 0 technology brings faster wireless pairing and lower game latency ● 250mAh Long battery LifeSupport earbuds 4 times fully charging which can enjoy over 20h music time Specifications GeneralBrandHOCOModelS21ColorBlack YellowMaterialABSIP LevelWaterproofWearing TypeIn earBluetoothBluetooth ChipV5 0Transmitting Distance10mBatteryChargingBattery Capacity320mAhCall Time3hMusic Time4hStandby Time20hCharging Time2hOther FeaturesMicrophoneYesNoise CancellingYesSizeWeightProduct Weight0 15000kgPackage Weight0 20000kgProduct Size70 x 50 x 40mmPackage Size100 x 80 x 60 mmPackage list1 Earphone 12 User Guide 13 Charger Cable 1