The Klein Tools AEPJS1 is a powered speaker that provides 5 watts of high quality sound for smart phones, tablets, computers and other audio devices via a wireless Bluetooth connection or wired auxiliary input. It answers calls hands free with the built in speakerphone and can be magnetically attached to any steel surface, attached to Klein's Lighted Tool Bag, mounted to a standard 1/4-20 tripod, attached to a lanyard, or simply stood up on any solid, level surface. Twist lock flange mounts to Klein's Lighted Tool Bag. 1/4-20 threaded mount on bottom allows attachment to any standard tripod. Rated IP45 water/dust resistant. Able to answer calls hands-free with the built-in speakerphone. Includes 1/8 Inch stereo auxiliary cable and micro USB-to-standard USB charging cable.