Instructions for use: size: 21 * 6.5 * 3.5 cm weight: 0.305 kg material: ABS + electronic components packing: gift box & NBSP; & NBSP; & NBSP; 1. Installed 4 AA batteries & NBSP; & NBSP; & NBSP; 2. Standby: use right hand was four fingers and hold stand, thumb naturally on the top cover, smooth hold machine. & NBSP; & NBSP; & NBSP; 3. Threading: according to the instructions of the detailed drawing indicating operating & NBSP; & NBSP; & NBSP; 4. Put cloth: right