Overview:ES - 900i earphone provides you with great sound quality, super bass. Suitable for all kinds of electronic devices with 3.5mm jack port. Features:1) In-ear earbud Unique in-ear-canal design that ensures noise blockage, low song leakage, and great audio quality.2) On-cord controlAnswer or end phone call, pause or play music.3) Standard 3.5mm earphone plugFit all devices with 3.5mm jack as a music earphone.3) Flat noodle design wireNever worry about the wire winding.5) Gold-plated audio jackProvide premium, no-loss sound connection to your audio device.6) Storage bagWith storage bag, well protect your earphone from dirt, dust, and scratch.Note:This 3.5mm earphone plug is accord with CTIA standard. If you want to know the standard of your phone's 3.5mm interface, you can refer to the following address. http://en.wikipedia.org/wiki/Phone_connector_%28audio%29#TRRS_standards Brand: awei Model: ES - 900i Color: Black,Red,Blue,Green,Purple,Rose,Gold,Gray,Silver Wearing type: In-Ear Function: Microphone,Answering Phone Connectivity : Wired Connecting interface: 3.5mm Application: Mobile phone,Computer,Portable Media Player Plug Type: L-Bend Driver unit: 11.5mm Frequency response: 20~20KHz Package weight: 0.106 kg Product size (L x W x H): 120 x 2.5 x 1.3 cm / 47.16 x 0.98 x 0.51 inches Package size (L x W x H): 18 x 10 x 3.2 cm / 7.07 x 3.93 x 1.26 inches Package Contents: 1 x In-ear Earphone, 2 x Pair of Earbud, 1 x Cable Clamp, 1 x Storage Bag