ON THE EAR; RESISTANT to SWEAT; FREEDOM, AL3 FREEDOM is a wireless headset, comfortable and convenient to wear. Thanks to its neck lanyard soft and flexible neck, AL3 FREEDOM stays in place to allow you to focus on your training and performance. AL3 FREEDOM gives you excellent quality of stereo sound including your telephone conversations with built in microphone. The buttons on the side of the audio headset is simple and easy to use. PERFORMANCE Bluetooth® version 4.0. Wireless range up to 10 meters;. Battery indicator: On iPhone®/iOS devices. Built-in microphone for making calls. Weight: 41g. Battery life: Up to 7 hours. HIGHLIGHTS High quality stereo sound. Simple, flexible and pliable. Do not fall out of your ears. E BOX INCLUDES A protective cover. An extra pair of ear pads .