SoundBot SB572 Bluetooth 4.1 Wireless Speaker for 8hrs Music Streaming and Hands-Free Calling, Premium Driver Passive Radiator Bass, Built-in Mic and Battery, 3.5mm Audio Port for Indoor Outdoor CRYSTAL CLEAR DYNAMIC FULL RANGE MUSIC - HD loud speakers with full spectrum high quality 3W premium 52mm driver for exhilarating music listening, handsfree talking, and wireless streaming experience SHOCK AND WATER RESISTANT made of moist resistant silicon material for additional protection, drop and shock absorption. Built-in 3.5mm audio line in and rechargeable battery allow SB572 to connect to media devices WITH OR WITHOUT Bluetooth capability SOLID PERFORMANCE and UNIQUE DESIGN - One of a kind silicon finish with shock and water resistant for active outdoor lifestyle and indoor use BLUETOOTH 4.1 TECHNOLOGY - that is both forward and backward compatible to other generations of Bluetooth version to enable audio wireless connectivity with seamless streaming for 10 hours of playback time, from up to 33 feet of distance free line of sight UNIVERSAL COMPATIBILITY for Computers, Laptops Android, iPhone, iPad, tablets, smartphones, iPods, MP3, MP4, radio players, and all other Bluetooth enabled digital players or media devices with aux port