JBL PartyBox 300 | Battery-powered portable Bluetooth party speaker with light effects
Amazon.com: 13400mAh High-Capacity Extended SUN-INTE-125, 2INR19/66/4 Battery Replacement Compatible with JBL PartyBox 300 High Power Portable Wireless Bluetooth Party Speaker : Electronics
13400mAh GSP-2S4P-PB350B, GSP-2S4P-PB350A High Capacity Battery for JB – SMAVtronics
JBL PartyBox Encore Karaoke Bluetooth Party Speaker - Sam's Club
Amazon.com: JBL Partybox 310 Portable Party Speaker + JBL Wireless Two Microphone System : Electronics
The JBL PartyBox 300 Review: Your Party's Ultimate Music Machine | GearDiary