- Wirelessly connect up to 2 smartphones or tablets to the speaker and take turns enjoying powerful sound
- Build-in rechargeable li ion 7800mAh battery supports up to 20 hours of playtime and charges your device via USB port
- Take charge 4 to the beach or the pool without worrying about spills or even submersion in water
- Amplify your listening experience to epic levels and rock the party perfectly by wirelessly connecting more than 100 JBL connect plus enabled speakers
- Please note: The JBL charge 4 does not include a USB wall adapter