Soundbook GO Portable Wireless Bluetooth Speaker (White) Enjoy up to 9 hours of wireless music. Includes a built in microphone for hands-free conference calling Simple pairing in seconds with Smart Bluetooth v4.0, plus NFC connection for super quick pairing with a supported smartphone or tablet Encased in an anti-slip, travel friendly smart cover - turns on when opened, off when closed Micro USB to charge directly from a laptop or most smartphone chargers Ultra compact at 1.06 lbs (480g) and available in black, red,blue or white