The HD 4.40 BT is a wireless headset employing Bluetooth 4.0 and aptX technologies to deliver exceptional wireless Hi-Fi sound. It features NFC for simple pairing of compatible devices. This new headset offers ease of use and convenience thanks to intuitive ear-cup mounted controls for changing tracks and for making calls via the integrated microphone. Wearing comfort is assured by their ergonomically designed ear pads. The HD 4.40 BT has excellent battery life, letting listeners enjoy wireless sound for up to 25 hours. A battery-free listening mode is also possible via a supplied detachable cable.
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|Call connect/disconnect control|
|Integrated volume control|
|Integrated function control|
2.4 GHz transmission frequency, Bluetooth wireless, around 33 ft. operating range. Operates up to 25 hrs. on built-in rechargeable Lithium-ion polymer batteries with a charge time of 3 hrs. Has low battery indicator and battery recharge indicator. NFC Bluetooth pairing. Bluetooth connected Apple mobile devices using iOS Version 5 and above will show the battery level. Has cord connection option for use with standard audio devices. When cord connected can provide audio even when not turned on. Detachable audio cable. Earcups fold for ease of storage. The Sennheiser Cap Tune smartphone app acts as a audio player app, provides various types of tonal adjustments, and AirPlay (for Apple devices) and DLNA (for Android devices) audio streaming.
|Plug type||Mini (1/8")|
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