Xtra-Funky Exclusive: USB Car Charger 12 / 24V - 1A - 2.1A + Dual Port USB 2.0 Micro B cable Compatible with many devices (see product description) (Wireless Phone Accessory)
J have to buy to connect the portable telephone for that I use the GPS if not done very well there even another USB out to connect a second device if 20 of 20