KHOI1971 &reg; WALL home house AC power adapter cable cord for YAMAHA PIAGGERO NP31 NP11 NP30 NP 31 NP 11 NP 30 portable keyboard SUPER FAST SHIPPING ++ITEMS ARE 100% FULLY TEST 100% FULL MONEY BACK GUARANTEE Smart Fuse protection from sudden power surge 110V~220V for USA Europe Asia 110v~240v KHOI1971  12 MONTHS WARRANTY EXCHANGE