found at Bing Lee
Massive JBL Original Pro Sound 15 Hours of Playtime IP67 waterproof and dustproof Wireless Bluetooth Streaming Crank up the fun with PartyBoost Carry it anywhere Power up with the built-in powerbank Model No.: JBL Xtreme 3 Transducers: 2 x 70mm woofer/2 x 2.75, 2 x 20mm tweeter/2 x 0.75 Rated output power: 2 x 25W RMS woofer + 2 x 25W RMS tweeter (AC power mode) Power input: 5V/9V/12V/15V/20V, 3A Frequency response: 53.5Hz - 20kHz Signal-to-noise ratio: > 80dB Battery type: Li-ion 36.3Wh Battery charge time: 2.5 hours (20V/3A input) Music play time: up to 15 hours (dependent on volume level and audio content) USB-A output: 5V/2.0A (maximum) USB-C output: 5V/1.5A (maximum) Total: 2.5A maximum for USB-A & USB-C Bluetooth® version: 5.1 Bluetooth® profile: A2DP 1.3, AVRCP 1.6 Bluetooth® transmitter modulation: GFSK, p/4 DQPSK, 8DPSK Bluetooth® transmitter frequency range: 2400MHz - 2483.5MHz Bluetooth® transmitter power: