CRYSTAL CLEAR SOUND - Enjoy amazing digital dynamic sound range with a Frequency Response of 30HZ - 20kHZ, and low THD+N with a Signal to Noise Ratio far greater than traditional analog systems.</br>SUPERIOR RANGE - Listen to your TV, Computer, or Hi-Fi radio from your backyard. Unlike others, these TV headphones use a digital UHF 2.4GHz radio frequency that penetrates walls, so your signals have an expanded reception range (up to 100ft) that don't require keeping the headphones within line of sight of the transmitter.</br>LIGHTWEIGHT AND COMFORTABLE - Adjustable soft padded headband and Over-Ear earpads are designed to provide maximum comfort. Listen to music for hours and forget you're even wearing them!</br>RECHARGEABLE BATTERIES (INCLUDED) - The supplied rechargeable NI-MH batteries last approximately 20 hours on a full charge - and recharge automatically when you place the headphones on the base station.</br>SMART FEATURES - Volume memory preset, ON/OFF LED Indicator, Muting, Speed Charge and Low Power Indicator Alert, Supports TV, MP3, iPods and Smartphone Devices. - 1 year warranty - more details in the product description.</br></br>Product Description</br></br>The RIF6 over-ear digital headphones allow you to listen to crisp, clear audio without the cables. <ul> <li>Listen to your favorite music or watch your favorite shows from up to 100 feet away from the base, giving you personal audio freedom.</li> <li>The supplied rechargeable NI-MH batteries last approximately 20 hours on a full charge and recharge automatically when you place the headphones on the base station.</li> <li>Control volume and mute directly on the headset, so you don't need to get up or use different remotes.</li> </ul> <b>Amplify your comfort zone today with RIF6 Wireless TV Headphones!</b></br><br/>http://www.amazon.com/gp/product/B00QJ5MY18