বিস্তারিত Full SpecificationItemHeadphoneHeadphone TypeEarbudConnectivityBluetoothBluetooth Version5.1Bluetooth Distance10MBluetooth ProtocolA2DP, AVRCP, HFP, HSPImpedanceup to 32 ΩSensitivity105dBFrequency20 - 20000HzDriver Unit10mmTouch ControlYesBattery CapacityStorage Box: 2000mAh, Earbads: 50MAHCharging Voltage5V-1AWaterproof LevelYes9D HIFI SoundVolume Control10mW Max Output Active Noise-CancellationMagnetic Induction Charging BoxDescriptionThis M19 headset will be automatically connected to the mobile phone as soon as it is taken out of the charging bogie. The headset has a built-in high-sensitivity touch panel that allows you to quickly perform various functions by gently touching. M19 Bluetooth headset comes with HIFI sound quality, LED display, up to 10 meters transmission distance, Intelligent noise reduction, and HD voice assistant. It has a battery capacity of 2000mAh storage box so that you can listen to music for a long time.