APH Networks checked out the Sennheiser HD 4.50 BTNC Bluetooth Headset
A quote from the article:
A quote from the article:
The active noise cancellation steals the show, making the Sennheiser HD 4.50 BTNC a capable wireless headset for on-the-go users.Sennheiser HD 4.50 BTNC Bluetooth Headset Review @ APH Networks
