This 3800mAh external battery pack mounts to the BRV-PRO* and extends the speaker's battery for up to 65 total hours of music play (at normal listening levels). Its lightweight, waterproof design complements the PRO's rugged exterior, and is finished with convenient LED battery indicators to track remaining power levels. *BRV-PRO speaker is sold separately.

• 3800mAh external battery pack
• Mounts to the BRV-PRO Portable Speaker (sold separately)
• Extends the speakers battery for up to 65 total hours of music play (at normal listening levels)
• Lightweight, waterproof design
• LED battery indicator

3800mAh external battery packBraven