SoundBot SB573 Bluetooth Wireless Speaker for 6hrs Music Streaming & 10hrs Hands-Free Calling w/ Premium Aluminum Tough Built Finish, 3W + 3W 40mm Driver Speakerphone, Built-in Mic, 3.5mm Audio Port, Rechargeable Battery for Indoor & Outdoor Use Tough built with premium aluminum Finish. Crystal clear deep bass HD premium loud speakers with 40mm premium drivers for both active outdoor and indoor use. Built-in 3.5mm audio line in and 1600mAh rechargeable battery allow SB573 to connect to media devices WITH OR WITHOUT Bluetooth capability. Bluetooth 3.0 audio wireless connectivity with seamless streaming, 10 hours of talk time and 6 hours of playback time, from up to 33 feet of distance. 2 x 40mm speaker driver output with deep bass and crystal clear sound that goes 360 degree at omni-direction. Fashionable and stylish design with solid performance and universal compatibility for Android, iPhone, iPad, tablets, smartphones, iPods, MP3, MP4, radio players, and other Bluetooth enabled digital players or media devices with aux port.