Purchased around February of this year and only used once at a live performance. Operation has been confirmed. All included items at the time of purchase, such as the warranty, are kept. No Velcro has been used on the back. Powered by either a battery or center-positive power supply. A tone bender-type fuzz with adjustable level and attack. - Model Name: RONNO BENDER MKI - Brand: MANLAY SOUND LTD. - Knob Type: LEVEL, ATTACK - Included Items: Box, Instruction Manual, Warranty Thank you for viewing. Type... Electric Guitar