Free yourself from the wired connection and bask in the glorious sound quality Sennheiser are renowned for with their Momentum Free In-Ear Headphones. The smallest member of the Momentum family, they're superbly compact but packed with top notch audio tech. Designed for a supreme and comfortable listen, the Momentum Free are constructed from premium materials throughout, with the focus on excellent sound reproduction. Bluetooth with aptX technology ensure it's simple to connect your smart device with a super-stable connection. Read more… And with a long rechargeable battery life and an integrated mic so you can take phone calls as you go, they make an awesome audio companion. Supreme Sennheiser Sound Sennheiser's premium Momentum range of headphones are renowned for their immaculate sound performance. With Bluetooth 4. 2 and Qualcast aptX technology, this audio quality is now achievable wirelessly, and is lag-free so video content is perfectly in sync. A high quality dynamic speaker system with custom-machined stainless steel in-ear sound tunnels deliver the signature Momentum sound effortlessly. Clear, detailed vocals and mids combine with deep and powerful bass to produce an amazing sound stage. Premium Materials Crafted from high quality material throughout with stainless steel and chrome accents, the Momentum Free are sturdy and stylish. Four sizes of ear-bud and an adjustable angle of 15° ensure you find the perfect snug fit to block out ambient noise. And the ear-pieces are magnetic so they elegantly attach together so you can comfortably wear them around the neck when not in use. Or store them in the included premium leather case to keep them pristine and protected. Bluetooth Beauty Connect your smart device over Bluetooth to feel the freedom of wireless music. You can even connect two devices at the same time. Long Battery Life Off a single charge the Momentum Free keep you in music for up to six hours, so you can have confidence they'll keep going over a long listen. Recharge them quickly and easily with the supplied USB cable. Calls on the Go A three button remote with high quality mic on the cable gives easy control of your music and calls, so chatting to your friends and staying connected doesn't have to slow you down.