JBL Charge 4

 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 3.6 volt, 7500 mAh). Battery charge time: 4 hours (5V/2.3A). Music playtime up to 20 hours (varies by volume level and audio content)
• Take charge 4 to the beach or the pool without worrying about spills or even submersion in water. Bluetooth version: 4.2
• Amplify your listening experience to epic levels and rock the party perfectly by wirelessly connecting more than 100 JBL connect+ enabled speakers.
• Please note: The JBL charge 4 does not include a USB wall adapter.