The discount you'll get with these Tom Tom coupon codes are actually higher than the products' current prices, so you'll get them for free. The only thing you'll have to pay for is shipping, which is $9.95.
Only one code applicable per order, so you'll have to choose from one of the three things:
* $40 off Smartphone Charger and Mount with code TT1220
This fast charger and mount is reduced from its original price of $69.99 to $29.95, and with the coupon discount it works out at $0. Mounts on windscreens or dashboards and fits all phones which are 100-127 mm tall or 54-75 mm wide.
* $30 off Air Vent Phone Mount with code TT0291
This is only the mount which clips to the air vent of your car. It was $49.99, now on sale for $19.95, after the coupon $0. Also fits all phones which are 100-127 mm tall or 54-75 mm wide.
* $15 off Fast Car Charger with code TT7921
You'll be able to get this one for free as well as it's now priced at $14.95 (was $24.95) with a $15 discount. It's a fast charger which works with any USB device when plugged in the lighter slot.
Credit to bab finding & listing the coupon codes on the Vouchers page.