🎶 Elevate Your Sound Game! Enjoy up to 4 hours of continuous use on a single charge—perfect for your active lifestyle. Stay active with earphones that fit securely, no matter the intensity of your workout. Take calls on the go without missing a beat—stay connected while you move. Immerse yourself in full, rich sound without distractions. Pair effortlessly with your devices for instant access to your favorite tunes. Secure fit for audio Hands-free calling USB charging port The TOSHIBA Wireless Sports Earphone RZE-BT300E (L) combines a secure fit with seamless Bluetooth connectivity, offering up to 4 hours of uninterrupted audio and hands-free calling, making it the perfect companion for your active lifestyle.