I have two reasons and I am not satisfied with either one. They are terrible, will never buy again or recommend to friends.
Sennheiser HD 206 Closed-Back Over Ear Headphones - Discontinued Model
195 Review
Perixx Peripad-202H Black Wired Numeric Keypad With X-Scissor Keys, 2 USB Hubs, And Tab Key For Enhanced Productivity
44 Review
Rechargeable 12V 3000MAh Lithium Battery Pack: Power Bank For LED Strip, CCTV Camera & More
43 Review
NinjaBatt High Performance Battery For Toshiba A665 And L755 Series - 6 Cells/4400MAh/48Wh
40 Review