diff --git a/examples/transfer-file/dialer.js b/examples/transfer-file/dialer.js
new file mode 100644
index 0000000..7cb4e5d
--- /dev/null
+++ b/examples/transfer-file/dialer.js
@@ -0,0 +1,68 @@
+'use strict'
+/* eslint-disable no-console */
+
+const PeerId = require('peer-id')
+const PeerInfo = require('peer-info')
+const Node = require('../../src')
+const multiaddr = require('multiaddr')
+const pull = require('pull-stream')
+const async = require('async')
+let idListener
+
+async.parallel([
+  (callback) => {
+    PeerId.createFromJSON(require('./peer-id-dialer'), (err, idDialer) => {
+      if (err) {
+        throw err
+      }
+      callback(null, idDialer)
+    })
+  },
+  (callback) => {
+    PeerId.createFromJSON(require('./peer-id-listener'), (err, idListener) => {
+      if (err) {
+        throw err
+      }
+      callback(null, idListener)
+    })
+  }
+], (err, ids) => {
+  if (err) throw err
+  const peerDialer = new PeerInfo(ids[0])
+  peerDialer.multiaddr.add(multiaddr('/ip4/0.0.0.0/tcp/0'))
+  const nodeDialer = new Node(peerDialer)
+
+  const peerListener = new PeerInfo(ids[1])
+  idListener = ids[1]
+  peerListener.multiaddr.add(multiaddr('/ip4/127.0.0.1/tcp/10333'))
+  nodeDialer.start((err) => {
+    if (err) {
+      throw err
+    }
+
+    console.log('Dialer ready, listening on:')
+
+    peerListener.multiaddrs.forEach((ma) => {
+      console.log(ma.toString() + '/ipfs/' + idListener.toB58String())
+    })
+
+    nodeDialer.dialByPeerInfo(peerListener, '/echo/1.0.0', (err, conn) => {
+      if (err) {
+        throw err
+      }
+      console.log('nodeA dialed to nodeB on protocol: /echo/1.0.0')
+
+      pull(
+        pull.values(['hey']),
+        conn,
+        pull.through(console.log),
+        pull.collect((err, data) => {
+          if (err) {
+            throw err
+          }
+          console.log('received echo:', data.toString())
+        })
+      )
+    })
+  })
+})
diff --git a/examples/transfer-file/listener.js b/examples/transfer-file/listener.js
new file mode 100644
index 0000000..b7e4e82
--- /dev/null
+++ b/examples/transfer-file/listener.js
@@ -0,0 +1,51 @@
+'use strict'
+/* eslint-disable no-console */
+
+const PeerId = require('peer-id')
+const PeerInfo = require('peer-info')
+const Node = require('../../src')
+const multiaddr = require('multiaddr')
+const pull = require('pull-stream')
+
+PeerId.createFromJSON(require('./peer-id-listener'), (err, idListener) => {
+  if (err) {
+    throw err
+  }
+  const peerListener = new PeerInfo(idListener)
+  peerListener.multiaddr.add(multiaddr('/ip4/0.0.0.0/tcp/10333'))
+  const nodeListener = new Node(peerListener)
+
+  nodeListener.start((err) => {
+    if (err) {
+      throw err
+    }
+
+    nodeListener.swarm.on('peer-mux-established', (peerInfo) => {
+      console.log(peerInfo.id.toB58String())
+    })
+
+    nodeListener.handle('/echo/1.0.0', (protocol, conn) => {
+      pull(
+        conn,
+        conn
+      )
+    })
+
+    nodeListener.handle('/hello/1.0.0', (protocol, conn) => {
+      pull(
+        pull.values(['hello', 'world']),
+        conn
+      )
+      setTimeout(() => {
+        console.log('Printing my peerbook')
+        Object
+          .keys(nodeListener.peerBook.getAll())
+          .forEach(console.log)
+      }, 500)
+    })
+    console.log('Listener ready, listening on:')
+    peerListener.multiaddrs.forEach((ma) => {
+      console.log(ma.toString() + '/ipfs/' + idListener.toB58String())
+    })
+  })
+})
diff --git a/examples/transfer-file/peer-id-dialer.json b/examples/transfer-file/peer-id-dialer.json
new file mode 100644
index 0000000..5716d74
--- /dev/null
+++ b/examples/transfer-file/peer-id-dialer.json
@@ -0,0 +1,5 @@
+{
+  "id": "Qma3GsJmB47xYuyahPZPSadh1avvxfyYQwk8R3UnFrQ6aP",
+  "privKey": "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",
+  "pubKey": "CAASpgIwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQCaNSDOjPz6T8HZsf7LDpxiQRiN2OjeyIHUS05p8QWOr3EFUCFsC31R4moihE5HN+FxNalUyyFZU//yjf1pdnlMJqrVByJSMa+y2y4x2FucpoCAO97Tx+iWzwlZ2UXEUXM1Y81mhPbeWXy+wP2xElTgIER0Tsn/thoA0SD2u9wJuVvM7dB7cBcHYmqV6JH+KWCedRTum6O1BssqP/4Lbm2+rkrbZ4+oVRoU2DRLoFhKqwqLtylrbuj4XOI3XykMXV5+uQXz1JzubNOB9lsc6K+eRC+w8hhhDuFMgzkZ4qomCnx3uhO67KaICd8yqqBa6PJ/+fBM5Xk4hjyR40bwcf41AgMBAAE="
+}
diff --git a/examples/transfer-file/peer-id-listener.json b/examples/transfer-file/peer-id-listener.json
new file mode 100644
index 0000000..7acb97c
--- /dev/null
+++ b/examples/transfer-file/peer-id-listener.json
@@ -0,0 +1,5 @@
+{
+  "id": "QmcrQZ6RJdpYuGvZqD5QEHAv6qX4BrQLJLQPQUrTrzdcgm",
+  "privKey": "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",
+  "pubKey": "CAASpgIwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQDLZZcGcbe4urMBVlcHgN0fpBymY+xcr14ewvamG70QZODJ1h9sljlExZ7byLiqRB3SjGbfpZ1FweznwNxWtWpjHkQjTVXeoM4EEgDSNO/Cg7KNlU0EJvgPJXeEPycAZX9qASbVJ6EECQ40VR/7+SuSqsdL1hrmG1phpIju+D64gLyWpw9WEALfzMpH5I/KvdYDW3N4g6zOD2mZNp5y1gHeXINHWzMF596O72/6cxwyiXV1eJ000k1NVnUyrPjXtqWdVLRk5IU1LFpoQoXZU5X1hKj1a2qt/lZfH5eOrF/ramHcwhrYYw1txf8JHXWO/bbNnyemTHAvutZpTNrsWATfAgMBAAE="
+}
diff --git a/package.json b/package.json
index b066029..54c4918 100644
--- a/package.json
+++ b/package.json
@@ -5,6 +5,9 @@
   "main": "src/index.js",
   "scripts": {
     "test": "aegir-test node",
+    "test:muxer:spdy": "aegir-test node LIBP2P_MUXER=spdy",
+    "test:muxer:multiplex": "aegir-test node LIBP2P_MUXER=multiplex",
+    "test:muxer:both": "aegir-test node LIBP2P_MUXER=spdy, multiplex",
     "lint": "aegir-lint",
     "release": "aegir-release node",
     "release-minor": "aegir-release node --type minor",
@@ -43,6 +46,7 @@
   "dependencies": {
     "libp2p": "^0.3.1",
     "libp2p-mdns": "^0.5.2",
+    "libp2p-multiplex": "^0.3.2",
     "libp2p-secio": "^0.6.5",
     "libp2p-spdy": "^0.10.3",
     "libp2p-swarm": "^0.26.10",
@@ -66,4 +70,4 @@
     "greenkeeperio-bot <support@greenkeeper.io>",
     "varunagarwal315 <varunagarwal315@gmail.com>"
   ]
-}
\ No newline at end of file
+}
diff --git a/src/index.js b/src/index.js
index 3300cc5..8ae23dc 100644
--- a/src/index.js
+++ b/src/index.js
@@ -6,6 +6,7 @@ const WebRTCStar = require('libp2p-webrtc-star')
 const MulticastDNS = require('libp2p-mdns')
 const WS = require('libp2p-websockets')
 const spdy = require('libp2p-spdy')
+const multiplex = require('libp2p-multiplex')
 const secio = require('libp2p-secio')
 const libp2p = require('libp2p')
 
@@ -21,9 +22,16 @@ class Node extends libp2p {
         webRTCStar
       ],
       connection: {
-        muxer: [
-          spdy
-        ],
+        muxer: process.env.LIBP2P_MUXER ? (() => {
+          const muxerPrefs = process.env.LIBP2P_MUXER
+          return muxerPrefs.split(',').map((pref) => {
+            switch (pref) {
+              case 'spdy': return spdy
+              case 'multiplex': return multiplex
+              default: throw new Error(pref + ' muxer not available')
+            }
+          })
+        })() : [spdy],
         crypto: [
           secio
         ]