Rocketfish Indoor/Outdoor Bluetooth Speaker - Black RF-WSP313 Compatible with most Bluetooth-enabled devices, 4" woofer and two 2.75" tweeters, Create dynamic cross-spectrum sound aptX decoding, Allows you to enjoy streaming music in arresting clarity. Up to 32.8' wireless range, Permits flexible placement. Built-in rechargeable batter, Offers up to 6 hours of audio playback on a full charge. Weather-resistant design, Allows safe use indoors or outside. The speaker can be placed in horizontal or vertical orientation to suit your needs. 3.5mm audio output For connection to a wide range of compatible devices via the included 6' 3.5mm stereo audio cable.