Sony WH-RF400 Over-Ear Sound Isolating RF Headphones - Black

Features 

• Over-ear design features soft ear pads and an adjustable headband for long-lasting comfort
• RF wireless connectivity with a range of 150ft. lets you enjoy wireless freedom
• Large 1.57" driver units provide rich sound with crisp clarity
• Noise-reduction system blocks interference from other electronic devices for an immersive experience
• Voice mode enhances dialogue in shows for easy-to-understand clarity
• 20-hour battery life provides uninterrupted entertainment
• Twist-and-tilt adjustment offers a comfortable fit for everyone in the family
• Transmitter dock connects to your TV with the included cable for comfortable enjoyment of programs and movies from almost anywhere in the room. 

Specifications 

Headphone Style: Over-Ear

Band Style: Over-the-Head

Sound Isolating: Yes

Noise Cancelling: No

Echo Reduction: Yes

Truly Wireless: No

Wireless: Yes

Bluetooth: No

RF Wireless: Yes

NFC Ready: No

Wireless Talk Time: 20 Hours

Charge Time: 7 Hours

Effective Wireless Range: 45.72 m

Power Source: 2 x AAA Batteries

Frequency Response: 10 Hz - 22 KHz

Impedance: 32 Ohm

Sensitivity: 100 dBm

Colour: Black

Weight: 1000 g