Sony MDR-NC300D
The Sony MDR-NC300D noise canceling headphones feature three different modes: general mode, airplane mode and one for trains/buses/cars. It utilizes a single AA battery for up to 20 hours of listening time.
Source: Engadget
The Sony MDR-NC300D noise canceling headphones feature three different modes: general mode, airplane mode and one for trains/buses/cars. It utilizes a single AA battery for up to 20 hours of listening time.
Source: Engadget
