JBL Charge 3 Waterproof Portable Bluetooth Speaker (Black), 1

$119.95

Bluetooth – Wirelessly connect up to 3 smartphones or tablets to the speaker and take turns playing powerful stereo sound.
Battery type : Lithium-ion Polymer (22.2Wh)2) 20 hours of playtime(varies by volume level and content)
IPX7 Waterproof