JBL Charge 4 - Waterproof Capability and Tech Specs

TECH SPEC
Bluetooth® version: 4.2
Support: A2DP V1.3, AVRCP V1.6
Transducer: 50 x 90mm
Rated power: 30W RMS
Frequency response: 60Hz – 20kHz
Signal-to-noise ratio: >80dB
Battery type: Lithium-ion Polymer 3.6V, 7500mAh
Battery charge time: 4 HOURS (5V/2.3A)