Overview:S120i 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 - 120i Color: Blue,Gray,Red,Silver Wearing type: In-Ear Function: Answering Phone,Microphone Connectivity : Wired Connecting interface: 3.5mm Application: Computer,Mobile phone,Portable Media Player Plug Type: Full-sized Driver unit: 8mm Frequency response: 20~20KHz Sensitivity: 108dB Package weight: 0.132 kg Product size (L x W x H): 120.00 x 2.50 x 1.00 cm / 47.24 x 0.98 x 0.39 inches Package size (L x W x H): 19.50 x 10.30 x 3.40 cm / 7.68 x 4.06 x 1.34 inches Package Contents: 1 x In-ear Earphone, 4 x Pair of Earbud, 1 x Cable Clamp, 1 x Storage Bag