JBL Charge 4 – Waterproof Portable Bluetooth Speaker
- Wirelessly connect up to 2 smartphones or tablets to the speaker and take turns enjoying powerful sound.
- Battery type Lithium ion Polymer 27Wh (Equivalent to 3.6Volt, 7500mAh). Battery charge time 4 hours (5V/2.3A). Music playtime up to 20 hours (varies by volume level and audio content)