Enjoy music on the go with the Ultimate Ears Wonderboom 2 portable speaker. This wireless speaker has a 100' / 30.5 m range and an estimated battery life of 13 hours. It is compatible with universal brands and models, has a frequency response of 75 Hz to 20 kHz, and comes with a convenient carrying strap. The Ultimate Ears Wonderboom 2 has an IP67 rating and is made with a lithium-ion battery. Its features include Bluetooth connectivity, 2x 1.57'' / 40mm drivers, micro-USB input, and support for A2DP Bluetooth profiles. The speaker comes in a stylish jungle grey color with black and pink accents.