Ultra-thin & hypo-allergenic gold titanium foilsIncludes staggered independent gold titanium FORGED blades and stainless steel CRUNCKY blades9000 r.p.m. turbocharged motor with 2 Lithium batteriesInnovative wireless charging technology. 120 minutes cordless runtimeMulti-function USB chargerBattery charge light. Red light, the shaver is charging. Blue light, the shaver is on.