JBL Xtreme 3 Portable waterproof speaker Features: Four drivers and two JBL Bass Radiators effortlessly deliver dynamic, immersive sound with deep bass and plenty of detail. You'll get lost in the music wherever you are. The fun doesn't have to stop. Packed with an incredible 15 hours of battery life, JBL Xtreme 3 lets you party all day and into the night. To the pool. To the park. JBL Xtreme 3 is IP67 waterproof and dustproof, so you can bring your speaker anywhere. Specifications: Bluetooth version 5.1 Output power (W) 2 x 25W RMS woofer + 2 x 25W RMS tweeter Dynamic frequency response range (Hz) 53.5 Hz - 20k Hz Dimensions (cm) 29.8 x 13.9 x 13.4 Dimensions (in) 11.75 x 5.35 x 5.28 Weight (kgs) 1.97 Weight (lbs) 4.34 Control and Connection Specifications Bluetooth profiles A2DP 1.3, AVRCP 1.6 Bluetooth frequency 2400MHz - 2483.5 MHz Bluetooth transmitted modulation GFSK, π/4 DQPSK, 8DPSK Bluetooth transmitter power ≤ 12dBm (EIRP) Battery Type Li-ion 36.3Wh Charging time (hrs) 2.5