Klein ARPJS1 Wireless Bluetooth Speaker. Connects wirelessly via Bluetooth0 or a wired auxiliary input. 32.8' (10M) connectivity range (in open space). 10-Hour battery life. Drop protected up to 6.6' (2M). Powerful rear magnet holds speaker to metal surfaces. Twist-lock flange. 1/4-20 threaded mount on bottom allows attachment to any standard tripod. Rated IP45 waterproof/dustproof. Able to answer calls hands-free with the built-in speakerphone. Includes 1/8" (3.5mm) stereo auxiliary cable and micro USB-to-standard USB charging cable. 5 Watts. 10oz (283g) 2.13" Wide (54.1mm)