Amazon.com: Geekria Micro-USB Headphones, Earbuds Short Charger Cable, Compatible with JBL Tune 700BT, 450BT, Live 500BT, E25BT Charger, USB to Micro-USB Replacement Power Charging Cord (1 ft / 25 cm 2 Pack) :
1m Micro USB Charger Cable For JBL TUNE 500BT 600BTNC LIVE 500BT 400BT 650BTNC | eBay