Bonsaii 12-sheet micro-cut shredder runs for 60 minutes with a 20-minute cool-down, shredding up to 3,900 sheets per cycle. It handles credit cards, staples, paper clips, and CDs, cutting them into 13/64"" x 15/32"" (5×12mm) P-4 level particles for strong privacy protection. Quiet 60dB operation suits home or office use. Features include a jam-proof system, overload protection, visible bin window, and four casters for mobility. Includes 1-year support. Note: Tested before shipping-some paper shreds may be visible. Avoid aerosol use or shredding metal cards.