BOSE SoundLink Color BT Speaker II with Mic

Features:
Fast and Convenient Pairing, easy to connect all kinds of BT-enabled devices or even quick-pair with NFC devices.
High quality material, IPX4 water resistant and palm size with a portable hook make it perfectly fit for outdoor activities.
Built-in Lithium-ion battery ensures up to 8 hours music playing time, rechargeable with USB power sources.
Built-in mic enables you to answer or end phone calls and set your hands free, also for accessing digital assistants like for Siri or for Google Now.
Compact and portable design with a soft-touch silicone exterior makes it easy to pick up and carry it outdoors.

Note: No fear of rain drops but it can't be immersed into water.