Shipping method: To US, Canada and Russia: USPS To any other countries: International Express mail (EMS, UPS, DHL or Fedex)
Warranty Policy: 30 days refund: shipping cost is not refundable. 1 year replacement. The cost to ship a product back to us for repair, replacement, refund, exchange or upgrade is the responsibility of the consumer. The cost to return the product to the consumer is the responsibility of Head Direct/HiFiman
Ultra low distortion, high impedance for hifi or professional monitor
PK1 earphones are the ultimate traditional design with top sound quality. Driving by a head-amp, or even some high output portable audio like Ipod or Iriver, this monster can give you a feeling as top grade hifi headphones, not like average tiny earphones at all.