Portronics Muffs XT Wireless Bluetooth Headphone ( Black) Connect wirelessly with your favourite music with Muffs XT on-ear Bluetooth Headphones It uses latest Bluetooth 4.1 which works much better with 4G than Bluetooth 4.0 does Package Dimensions: 19.8 x 16.6 x 5.6 cm Connect wirelessly with your favourite music and phonecalls with Muffs XT on-ear Bluetooth 4.1 Headphones. The capabilities of Muffs XT allow for lossless audio quality wherever you go. Comfortable ear pads and Portronics renowned speaker performance let you fully surround yourself in sound. A built-in rechargeable battery provides 10+ hours of listening, while ear pad mounted controls and built-in mic give you complete control on music and phonecalls. Muffs XT covers a complete frequency range and delivers strikingly realistic sound with a 40mm drivers. The foam ear pads create an acoustic seal that blocks outside noises and enhances bass. Range up to 33 feet (10 meters) allows you to remain connected to your music and calls. Simply switch between phone calls and music with the touch of a button. Control volume, play & pause, next & track back directly from the headphone buttons. SUPERIOR SOUND QUALITY Detailed and balanced sound you can enjoy everywhere you go. Enjoy the power of your music with the first on-ear wireless headphones from Portronics. Clear, rich audio and a long-lasting rechargeable battery will keep you listening all day. Switching to an incoming call is easy with voice prompts and intuitive controls. And those calls come through loud and clear, even in windy or noisy environments. BLUETOOTH CONNECTIVITY MUFFS XT has the most advanced bluetooth 4.1+EDR technology. Which gives you cristal clear sound quality with playback time upto 14 hrs. Bluetooth 4.1 works much better with 4G than Bluetooth 4.0 does. This means no interference with mobile 4G signals. Bluetooth 4.1 also conserves battery power much better for longer playtime and also gives "automatic reconnection" to devices which were earlier paired without the need to manually reconnect everytime. Also Muff XT with Bluetooth 4.1 is backward compatible with mobile phones/ laptops with any lower Bluetooth version. PERFECT FIT HEADPHONE with CONVENIENT CONTROLS The adjustable metallic head band lets you adjust them to the right size for a perfect fit. Even the largest of head sizes can comfortably wear it without any problem. Want to Receive a call while you're listening to music? Just touch a button on the right ear cup and you're instantly connected. Touch again to play, pause, skip and make calls. Roam FREELY with your Music...up to 10m while connected to your smartphone (about 33 feet).