The 4V, USB-powered 16-050 upholstery stapler by NEO is a stapler powered by a 4V 18650 1500 mAh lithium-ion battery and charged via the USB (micro USB) cable included in the kit. The full charging time is 5 h. The stapler features a speed of 40 staples per minute. It is compatible with J/53 staples from 4 to 10 mm and E nails with a maximum length of 10 mm. The magazine capacity is 40 pieces. A battery and 500 staples and nails each are also offered in the kit. The tool is CE certified.