2 x 30W (AC Mode), 2 x 20W (Battery Mode) Output Power/ Dual 4" Woofers/ Dual 20mm Tweeters/ Wireless Bluetooth Streaming/ 24 hours of playtime/ High-capacity 20,000mAh rechargeable battery/ IPX7 waterproof/ JBL Connect / Indoor/outdoor sound mode/ 50Hz-20kHz Frequency response/ Wirelessly Connect Up To 2 Smartphones Or Tablets/ Dual USB Ports/ Black Finish