[tomonomics]

This is the Aukey I have. It's not exactly 'flush', but barely sticks out as much as the button for the top. Pics below.

https://www.amazon.com/Aukey-CC-S1-4-8A-Dual-Charger/dp/B00M6QODH2/ref=sr_1_2?s=wireless&ie=UTF8&qid=1478005397&sr=1-2-spons&keywords=dual+usb+car+charger&psc=1


This Archeer looks even smaller, but I haven't seen it in person.

https://www.amazon.com/gp/product/B01CL01NAC/ref=s9_simh_gw_g107_i8_r?ie=UTF8&fpl=fresh&pf_rd_m=ATVPDKIKX0DER&pf_rd_s=&pf_rd_r=34R010RVJHD4ZZSW1VCB&pf_rd_t=36701&pf_rd_p=6aad23bd-3035-4a40-b691-0eefb1a18396&pf_rd_i=desktop