The mast wireless tattoo battery power supply have physics design,small size, light weight and easy to carry.output short circuit protection & Input double charging protection, the charging time of the battery 1200MAH is about 3 hours, and the usage time is about 6 hours. The Mast Tour shortest tattoo machine that design with special component and motor hit. Utilize special custom Coreless motor, research and tested lots of, then apply this unique motor from factory. Gently and smoothly transfers ink to skin; suitable for all skin types Mast Tour tattoo machine could be bagging very easy, made for travelling and need to place easy tattoo artists. This rotary tattoo machine simple, classic, and the most suitable machine for precise line work, black and grey shading, solid color packing Durable machine with pen-like design Flexible and lightweight for every style Effortless to cover and protect Efficient cartridge change and replacement