Click a Coupon or click Start Shopping to earn 8% Cash Back at USB Kill.
Complete your purchase. If you use a coupon, your discount will be applied during checkout.
Your cash back will be added to your Extrabux account in 1-7 days.
USB Kill Cashback
The USB Power Surge vulnerability is a common flaw in products with USB connections. When plugged into a device, the USB Killer rapidly charges its capacitors from the USB power lines. The USB Kill has been designed and tested to
Get Cashback easily
- Join for FREE with an email and password
- Search for a store
- Click the "Start Shopping" button or choose a coupon
- Complete your purchase at the store's website
- Cash back will be added to your Extrabux account!