SoundBot&reg; SB221 HD Wireless Bluetooth 4.0 Headset Sports-Active Headphone for 20Hrs Music Streaming & 25Hrs HandsFree Calling w/ Sweat Resistant Ergonomic Secure-Fit Design & Voice Command Support Features ergonomic behind the ear and neck human engineering frame design that securely fits and sits over the ear/neck for both indoor and sports-active outdoor use from 33 feet of distance. 5 intuitive and dedicated remote control buttons that allows easy and quick access to voice command (on supported phone models only such as iPhone Siri or Android phones), call management, wireless music streaming control, and volume adjustments. Sweat resistant and swivelable earcup with ultra foldable compact frame which provide maximum comfort and portability for everyday usage. Built-in high density rechargeable battery and microphone for 12 days standby time, 25 hours of hands-free talking, 20 hours wireless music streaming from 33 feet away. Equipped with noise reduction and crystal clear audio technology that delivers balanced full range music spectrum for enhanced listening experiences. Covered by 1 full year manufacturer warranty with responsive and satisfactory customer service suppo