Perfect for listening to your music around the house, outdoors, poolside, camping, hiking, etc. the slick wireless speaker pairs instantly with any bluetooth enabled device such as smartphones, tablets, & computers for wireless streaming to the speaker. Designed to provide deep bass and full mid-range notes – metal construction to add durability - built-in rechargeable battery - suitable for indoor and outdoor use - specs -pair easily bluetooth version 4.2 bluetooth range 10 m -built in functions to answer/end calls, redial last call placed, adjust volume & audio tracks - control your mobile device wirelessly -fm radio tuner- scans & stores stations for easy access to your favorite stations. -supported modes: sd card slot, tf card slot, usb input, aux input, fm radio -battery capacity 2,000 m ah -playing time up to 8 hours -charging time 2.5 hours -output power 4 ω 5 w x 2=10 watt -power input：dc5 v micro usb cable.