Features:Broadcom BCM43142HM Half-Height Mini-PCI Express Card.This card combines WLAN and BT 4.0+HS (Bluetooth) onto one BCM43142 802.11b/g/n (2.4GHz), Bluetooth v4.0+HSInterface (Bus) Type: PCI Express Half Mini Card
working with lenovo x wireless cardShipping Ways:Economy Int\'I Shipping: Not with a tracking number15-45 business days to arrive (not in busy season).ePacket or Standard Int\'I Shipping: with a tracking numberWe recommend to choose ePacket for the US address,it take less days to arrive.We recommend to choose the Standard Shipping way for address in Russia,Brazil,Chile,New Zealand,Mexico,South Afica,Asia countries and small countries. it help to make your package not be lost.Return PolicyPlease contact us to request a return authorization.A new replacement or refund will be made immediately when the item received back.Shipping, handling and insurance fees are non refundable.responsePlease Do Not Leave Negative response Before Contacting us about the problem.We will try our best to resolve the issue. we guarantee you a satisfaction solutionIf you are satisfied with the item, be sure to leave us a Positive response.