Want a credit card sized speaker that fits in the palm of your hand and can slip into your pocket in an instant? If so, then the Smart Card Speaker is for you! Featuring a battery life of around 2-4 hours, you can enjoy your music on the move, or attach to your bag/keys for instant call or message alerts when connected to your phone! The Card Speaker connects to your device via Bluetooth and has a range of around 10 meters. When the batteries low, simply slip the card speaker in to your pocket or bag, recharge via the included Micro-USB cable and you are ready do your next use!