Detailed description:    1. brand and new volum button for iphone 4.   2. High quality   3. Stock and competive price.  Shiping:   1. we will ship the package in 3 work days after confirm payment.   2. We most ship goods by DHL, UPS, EMS, FedEx, TNT, HONGKONG POST.As cilent requests chose the suitale shippment way.   3. Buyers are responsible for any customs duties if applicable.   4. we will put leagl effort to minimize GST or V.A.T or other import taxes.However, the selling pirce excludes any tax/duty if applicable. Payment:      We accept T/T, western union, moneygram, paypal. Warranty&Return PoliciesWhen you got the package, pls check the package and goods.If some goods you test doesn’t work, pls hold it and send it to me in 1 month.we will send the new good one to you with your next order package.if the products is already used by you, then no warranty.If our company label broke, then no warranty.