- Wirelessly connect up to two smartphones or tablets to the speaker and take turns enjoying the powerful sound.
- The built-in rechargeable lithium-ion polymer battery supports up to 20 hours of playtime and charges your device via a USB port.
- Take Charge 4 to the beach or pool without worrying about spills or even submersion in water.
- Dual passive radiators deliver powerful, ear-catching JBL sound that resonates loud and clear.
- Amplify your listening experience to epic levels and rock the party perfectly by wirelessly connecting more than 100 JBL Connect+ enabled speakers.
- Durable fabric material and rugged rubber housing.
- Allow your speaker to outlast all of your adventures.
- Maximum music playing time (hrs): 20
- Output power (W): 30
- Frequency response: 60Hz–20kHz
- Signal-to-noise ratio: >80dB
- Bluetooth version: 4.2
- Battery capacity (mAh): 7500
- Charging time (hrs): 4
- 3.5 mm audio cable Input: Yes
- Auto power off: Yes