Built with RF technology, the Sennheiser HDR 130 lets you enjoy watching movies with loud and clear sound. These Sennheiser wireless headphones are very lightweight and comfortable to wear for long durautions. Producing outstanding bass response, these Sennheiser home audio headphones are great for watching action movies and listening to music. The easy to recharge and intelligent auto-tuning feature of the Sennheiser HDR 130 makes them user-friendly. The self-learning automatic level control feature of these Sennheiser wireless headphones always ensures maximum audio output. The soft ear pads of these Sennheiser HDR 130 home audio headphones offers great comfort while wearing.