JBL Charge 4

Music playtime: up to 20 hours (varies by volume level and audio content)

Bluetooth® version: 5.1

Support: A2DP V1.3, AVRCP V1.6

Battery type: Lithium-ion Polymer 27Wh (Equivalent to 3.6V 7500mAh)

Battery charge time: 4 hours (5V/3A)

Transducer: 52mm x 90mm woofer, 20mm tweeter

Rated output power: 30W RMS for woofer, 10W RMS for tweeter

Frequency response: 65Hz–20kHz

Signal-to-noise ratio: >80dB

USB port: Type C (5V/2A maximum)