Cameron Sino 550mah Wireless Headset Battery P062831-02 For Jbl Everest 700, Everest 300, Live 500bt,live 650bt, This Is 3 Wires - Digital Batteries - AliExpress
User manual JBL Everest 700 (English - 27 pages)
Amazon.com: Replacement Battery for Everest 300, Everest 700 : Health & Household