Earsinger Female RJ9 Headset to Male 3.5mm Cell Phone Adapter Convert RJ9/RJ10 Smartphones Most Android Cellphone with 3.5 Earphone Jack

[Connector]: 3.5 RJ9 Gold plated 4Pin 3.5mm headphone jack 4P4C RJ9 female Adapter [Smartphone to headphones]: This adapter cable makes it possible to connect your smartphone transfer to the headphones, freeing your hands. [Compatibility]: Our 3.5P-RJ9 compatible RJ9/RJ10/RJ22 Headset to most smartphones with 3.5mm Headphone Jack。 Does not work with RJ11 (which is the size of the phone jack in the wall, larger than headset phone jacks) [IMPORTANT NOTE]: Mentioned headset is not support for CISCO0, AVAYA0 16XX 96XX, SNOM0, Grandstream0,Yealink0,Panasonicc phones. [Customer Service Online]: To save your time and avoid mismatches, please make sure that your phone port is compatible with this adapter before purchasing. Welcome to contact our customer service before ordering.