Features 1 bluetooth Chip V5 4 Experience seamless connectivity with the advanced bluetooth V5 4 chip ensuring stable and fast connections to your devices 2 Built in Independent Speaker Enhance your audio experience with built in independent speakers that deliver clear high quality sound every time 3 Deep Bass Dive into your music with rich deep bass that amplifies every beat and melody making your listening experience more immersive 4 HD Calls Enjoy crystal clear HD calls with noise cancellation technologies allowing you to have uninterrupted conversations even in noisy environments 5 Directional Transmission Benefits from directional transmission for precise audio delivery making sure that the sound reaches your ears exactly as intended 6 30H Playback With an extraordinary 30 hour playback time your music and calls are always available whenever you need them without frequent recharging 7 Touch Control Utilize intuitive touch controls for easy and quick adjustments enhancing your interaction with the earphones without needing to reach for your phone Specifications GeneralSpecificationBrandVIMAIModelV21ColorBlack WhiteWearing TypeEarhooksAudio CodecAAC SBCFrequency Response20Hz 20kHzbluetoothbluetooth VersionV5 4Supported ProfilesHSP HFP A2DP AVRCPTransmitting Distance10mBattery ChargingBattery Capacity40mAh Earbuds 400mAh Charging Case Work Time10h only Earbuds 30h Charging Case Charging Time1 5hOther FeaturesMicrophoneYesSizeWeightPro