Ending today, Cowboom takes up to 60% off a selection of smart-tech deals as part of its Back to School Sale. Plus, take an extra $10 off orders of $100 or more via coupon code "SMART10", an extra $20 off orders of $200 or more via coupon code "SMART20", or an extra $30 off orders of $300 or more via coupon code "SMART30". Better yet, most orders bag free shipping. Combined, that ties our mention from two weeks ago as the best sale we've seen from Cowboom.

See all CowBoom Coupons.