Wireless Bluetooth headphones. Features: Meet your perfect fit team— stretchy coils adapt to the shape of your head, and EarClick technology ensures your earbuds stay firmly in place inside your ears. A single charge gives up to 7 hours of playback time. Use the hidden micro USB port to recharge like a pro. With all the buttons you need around back, there’s no reason to slow down. Use the 3-button control to click through your playlist, adjust volume, and pick up calls. Connection: Bluetooth 4.0. Max SPL: 115 dB. THD: < 2 % at 200 Hz and 100 db SPL. Compatible with Apple & Android. Colour: Team.