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 (Cat. No. 55431), mounted to a standard 1/4-20 tripod, attached to a lanyard, or simply stood up on any solid, level surface. Features: Connects wirelessly or via a wired auxiliary input; 32.8-foot (10 m) connectivity range (in open space); 10-Hour battery life; Drop protected up to 6.6-foot (2 m); Powerful rear magnet holds speaker to metal surfaces (panels, ducts, etc.); Twist-lock flange mounts to Klein's Lighted Tool Bag (Cat. No. 55431); 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 (3.5 mm) stereo auxiliary cable and micro USB-to-standard USB charging cable - Warnings: No user-serviceable parts inside. Do not open enclosure or attempt to repair this speaker.; Never place this speaker on other electrical equipment.; Never immerse in water or other liquids. Avoid spilling liquids or falling foreign objects into openings or vents on the speaker enclosure.; Use safety-rated power supply or wall adapter. Never use a power supply or wall adapter that exceeds the specified charging voltage and current.