$10 off $40 coupon used instore or online at Radioshack.
*This coupon has a unique code and is VALID FOR ONE TIME USE ONLY. Must surrender coupon at time of redemption. Limit one coupon per person. NOT valid on laptop/netbook computers, Apple products, gaming hardware/software, gift cards, services, special orders, and online and phone orders in stores. No cash value. Void where prohibited.