Sennheiser HD 450BT Wireless Over-Ear Headphones (Open Box) Color:black 8 mm (Bluetooth dongle)

8 mm (Bluetooth dongle)

Transformer-coupled

The HDV 820 unlocks the potential of your Sennheiser headphone collection

Speed Charge for just 10 minutes to get 2 hours of playtime

300B power x 1

Sennheiser HD 450BT Wireless Over-Ear Headphones (Open Box) Color:black 8 mm (Bluetooth dongle)HD 450BT Step up to great wireless sound with the new HD 450BT. Delivering active noise cancellation, high quality wireless codec support (AAC, aptX Low Latency), and Bluetooth 5. 0, this headset gives you superior sound with deep dynamic bass. Exceptional versatility for audio lovers is guaranteed by Voice Assistant access, the Sennheiser Smart Control App and a 30 hour battery life. Step up your wireless audio Step up to great wireless sound with