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This audio jack is similar to the TRS Phono Plug, with the exception that there is an additional ring, resulting in a Tip + Ring + Ring + Sleeve configuration. The TRRS phono plug facilitates the addition of another connection since there are 4 contact places on the jack separated by three insulation layers. The two most common applications today for the TRRS phono plug in Mini Phono is for video camera recorders and mobile audio devices including the iPod, iPhone, and Android phones.This audio jack is similar to the [[TRS Phono Plug]], with the exception that there is an additional ring, resulting in a Tip + Ring + Ring + Sleeve configuration. The TRRS phono plug facilitates the addition of another connection since there are 4 contact places on the jack separated by three insulation layers. The two most common applications today for the TRRS phono plug in Mini Phono is for video camera recorders and mobile audio devices including the iPod, iPhone, and Android phones.Then along came Apple with their iPod and iPhone audio devices. Rather than accepting an existing convention, Apple created chaos for device manufacturers by swapping the microphone and ground connections. [[File:trrs-motoroladroid.png]]<BR>Some Android smartphones use use the original Nokia convention. Early Motorola Droid phones use the Nokia convention. It is unknown if the newest Motorola Droids use the same. Standard TRS audio plugs should work fine in these devices for audio playback from the Android phone to a stereo receiver. Shorting the microphone and ground doesn't seem to harm the device for most phones with the Nokia TRRS jack. Along came Apple Computer Company with their iPod and iPhone audio devices. Rather than accepting an existing convention, Apple created chaos for device manufacturers by swapping the microphone and ground connections. Think different?=== Illustrations ===[[File:trrs-videocable587.png]]<BR>TRRS Video Cable configurations. === Apple iPhone Convention ===[[File:trrs-videocable587.png]]<BR>TRRS Video Cable configurations.The iPhone style wiring is known to be compatible with the following devices:* Apple: All products using the 3.5mm headset jack including iPhone, iPad, iPod and MAC computers.* Blackberry: 8110, 8120, 8130, 8220, 8230, 8300, 8310, 8320, 8330, 8520, 8900, 9000, 9500, 9530, 9630, 9700* LG: en VTouch, LG Chocolate 3 (VX8560), LG AX585, UX585 Rhythm, LG AX840 Tritan, LG Incite CT810, LG VX11000 enV Touch, LG VX8560 Chocolate 3 Series, LG VX9700 Dare Series* Motorola: A455 Rival, ROKR E8, EM330/ EM28, KRAVE ZN4 Cell, Q Phone PDA, QA1 Karma, QA30 Hint, ROKR E2, ROKR Z6, MOTO VE440, ZINE ZN5, Rockr E8, Razr VE20* Nokia: 5130, 5310, 5800, 7610, E63, E75, N91, N95* Samsung: Galaxy S III* Others: HTC Android / Desire / Hero / Incredible, Palm Pre, Palm Pixi, Palm Treo PRO 850, Garmin Nuvifone, T-Mobile Danger Sidekick 2007/2008/2009, Microsoft Xbox 360,Nokia 5310 XpressMusic, Sharp (Sidekick Sidekick 2008 / Sidekick LX, Nextel i856, HP 6315/ Compaq iPAQ 6300...[[File:trrs-motoroladroid.png]]<BR>Some Androids use the iPod convention, while others use the original Nokia convention. Early Motorola Droid phones used the original Nokia convention. It is unknown if the newest Motorola Droids use the same.source: [https://www.kvconnection.com/Articles.asp?ID=165 kV Connection] [[Category:PDA]][[Category:Android]][[Category:Mobile Phones]]Keywords: Android Phone Apple iPod iPhone handsfree bluetooth headphones headset