[DETAIL] use with battery or use with USB cable, not rechargeable Features: Safely removes calluses and dry cracked skin. The pad includes 2 roller heads: a fine roller for polishing and daily care, and a coarse roller to soften stubborn calluses and dead skin. The Perfect Pad comes with 1 handle, 2 reel heads, and a USB charging cable that works with any wall adapter (wall adapter not included). Power Source: Battery Easy to use on both feet, front to back, heels, toes, sides and balls of feet. Ergonomic wand design for a more natural back and forth movement Package Included: Foot grinder*1 grinding head*2 Data cable*1 Manual*1 [ATTRIBUTES] - Electric: Yes - High-concerned chemical: None - Power Source: Rechargeable Battery - Electric: Yes - High-concerned chemical: None - Power Source: Rechargeable Battery - Material: Plastic - Type: Hand Foot File - Item Type: Foot Care Tool - Number of Pieces: One Unit - Origin: Mainland China