Features: 1.LETTER OPENER: A4 shredder is suitable for A6 paper or folded A4 paper with an entrance width of 123mm and a shredding width of 3.5mm. The side support letter opener function helps you tear envelopes easily. 2.TRANSPARENT WASTE PAPER BASKET: USB paper shredder comes with a clear wastebasket for easy access and does not need to be emptied often. The large transparent window makes it easy to see that it is full. 3.CONVENIENT POWER SUPPLY: Mini electric paper shredder supports battery or USB power supply to meet the needs of your different occasion. Perfect size, easy to carry, doesn't need much space. 4.VERSATILE: Paper shredder is versatile and suitable for paper, invoices, receipts, PP plastic, etc. It is durable and environmentally friendly. Mini shredder is perfect for protecting your information. 5.EASY TO USE: Electric paper shredder conveniently fits under your desk or other workstation for easy access throughout the day. Perfect for easy use in a small business or home, office. specification:Item Type: USB Paper Shredder Material: ABS, Metal Cutting Style: Strip Cutting Chopping Width: Approx. 3.5mm/0.1in Entrance Width: Approx. 123mm/4.8in Shredding Speed: Approx. 1.5m/4.8ft Per Min Maximum Shredding Capacity: 2 Sheets Of A6 Paper, Or 1 Sheet Of A4, 70g/2.5oz Folded Paper 3 Slide Switch: Three Slide Switch For ON, OFF And REV (Reverse Gear) Power Supply: Battery: 4 x AA (Not Included), USB Power Supported Adapters: AC: 230V OR 110V, DC 6V 1200MA (Power Adapter Not Included) PackageList:1 x USBPaperShredder 1 x Paper Basket 1 x Power Cord 1 x Instruction Manual Note1. To avoid body injury, keep fingers, long hair, ties, jewelry, loose clothing and other foreign objects away from the shredder. 2. Insert paper only. Inserting any metal objects, plastic pieces, paper clips and cardboard can damage the shredder. 3. Avoid overheating the shredder. For every 2 minutes of use, the shredder should be turned off for 15 minutes. 4. Empty the collection box after each use to avoid clogging the shredder. 5. Please allow some error due to manual measurement.