Get the most out of Bonoboville Radio with RIF6 Digital Wireless Over-Ear Headphones. Not only are they wireless but also rechargeable. Additional specs: UHF technology, compatible with iPods,Smartphones Devices, and laptops. Earphones are padded for comfort, and have a 20 hour battery life. Frequency Response of 30HZ – 20kHZ, and a Harmonic Distortion of 0.5%, as well as a Signal to Noise Ratio of 70db. Create your own auditory experience with these headphones. Rechargeable base included. The KIT comes with a charging doc for the headset which also serves as a transmitter. Hear the peace through pleasure broadcasting from Bonoboville, wireless and hands free.