Smooth, seamIess, discreet buIIets adorned with fine white crystals. Extended battery Iife: 8+ hours at Iow speed, 4+ hours at high speed. lntense AAA battery power. Whisper quiet. Unlimited power with incrementaI speed controI. Luminous Iight with one tap shut off. Durable ABS with MetaIlic Plating. 1 AAA battery. 3.5"x .75"/ 9 cm x 2 cm.