AOMAIS Portable Wireless Bluetooth Speakers with 7 LED Visual Modes and Build-in Microphone Bluetooth 3.0 Technology - Connect your device in 3 seconds,instant and stable;Outstanding connection range of up to 31 feet. Equipped with a built-in microphone for hands free calling on the move, seven kinds of music pulsating LED visual display modes. Compatible with all Bluetooth-enabled devices iPad iPhone Samsung HTC Sony Nokia ,It is ideal for personal usage, indoor party or outdoor BBQ or picnic with friends and family. Fast Recharge - Enjoy 6 hours of music at 50% volume. Recharge in just 3 hours using the included Micro USB cable. With the ultra-compact size and the soft touch rubber designeasy to carry and antiskid.