The Altec Lansing iMW678 OmniJacket OmniDirectional Bluetooth Speaker features a stylish design, true wireless stereo plus pairing for pairing up to 2 OmniJackets together, mounting capability and an On-board microphone for clear, hands-free communication. Designed with omni-directional sound, immerse yourself into 360 degree room filling sound for the ultimate listening experience! The OmniJacket is IP67 waterproof, shockproof, snowproof rated and it FLOATS! ! With 50 hours plus a built-in smartphone charger for remotely charging portable devices and an aux-in port, the OmniJacket is the perfect music companion for wherever you want to go.