Sennheiser HD 4.40BT Wireless Over-ear Bluetooth Headphones


  • $ 99.95
  • Save $ 50

Sennheiser HD 4.40BT Wireless Over-ear Bluetooth Headphones


If you're looking for a solid set of Bluetooth headphones from a reputable brand, here's a smart choice. The Sennheiser HD 4.40BT headphones play music wirelessly from your phone and boast up to 25 hours of battery life. They're also comfortable and affordable, and they deliver strong Sennheiser sound with deep bass. The Sennheiser HD 4.40BT over-ear wireless headphones are ideal for every day listening while you're on the go. With built-in Bluetooth, you can pair the headphones to your smart phone or tablet for wireless listening for hours. The headphones come with a USB charging cable, a straight audio cable, and a soft storage pouch.


Product highlights:

  • Over-the-ear, closed-back design
  • Built-in Bluetooth 4.0 for wireless music listening and phone calls
    • aptX® decoding provides high-quality music streaming from compatible devices
    • NFC-compatible for one-touch pairing with compatible devices
  • Rechargeable battery provides up to 25 hours of wireless use
  • 32mm drivers deliver clear sound tuned for strong bass
  • Earcup buttons offer easy controls for music and calls
    • built-in microphone for phone calls
  • Folding design for portability
  • Durable headband and soft, ergonomic earpads
  • Detachable cable with angled 3.5mm plug for wired listening
  • Frequency Response: 18 Hz to 22 kHz
  • Total Harmonic Distortion (THD): <0.5 % (1 kHz, 100 dB SPL)
  • Sensitivity: 113 dB
  • Impedance: 18 ohms
  • Dimensions (Ear Cup): Width 2.99", Height 3.565", Depth 1.878"
  • Weight: 7.9 ounces (8.4 oz. with cable)
  • Cloth storage pouch
  • Warranty: 2 years


What's in the box:

  • Over-ear wireless headphones
  • 58" Audio cable with right-angled 3.5mm plug
  • 42" USB charging cable (Type A USB on one end and Micro-B USB on other end)
  • Soft cloth storage pouch
  • Quick Guide
  • Safety Guide
  • Compliance Information

Bluetooth: The HD 4.40BT headphones are compliant with the Bluetooth 4.0 standard, and are compatible with Bluetooth 1.1 through 4.0 devices with the following profiles: HFP (Hands-Free Profile), HSP (Headset Profile), AVRCP (Audio Video Remote Control Profile), and A2DP (Advanced Audio Distribution Profile). In addition, aptX audio coding provides high quality audio that is comparable to a wired connection. You can pair the headphones with most Apple and Android Bluetooth devices, including those with NFC (Near Field Communication).

Battery: The Bluetooth function is powered by a 3.7-volt 600mAh Lithium-Polymer rechargeable battery. The battery charges in approximately 2 hours using the supplied Micro USB charging cable. A full charge supplies enough power for 25 hours of wireless listening. The remaining battery level can be monitored through the flashing LED and voice prompts. The battery life may also be displayed on the screen of your smartphone or device.

On-board Controls: The HD 4.40BTs have built-in controls on the right ear cup for power, volume, and music/phone call control. Music controls include play/pause, skip to next track, skip to previous track, fast forward, and fast reverse. Phone controls include accept/end a call, reject call, call on hold, and toggle between 2 calls. Established calls can be transferred from the headphones to the smartphone by turning off the Bluetooth connection. Using the Voice Control function of your phone, you can make a call by speaking a command.

Audio Cable: The included 58" audio cable lets you listen to your music when the battery is exhausted, or when you cannot, or choose not to, use Bluetooth. The cable terminates into a slender right-angled 3.5mm plug that is compatible with most smartphone cases. The cable does not have an in-line remote, and the on-board controls do not work when the power is off.

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