I系列主要是为移动电话和MP3播放器设计的。这个系列包括i2c（119美元）、i3c（199美元）和i4c（319美元），可以用在iPod和PalmOne Treo播放器上。I系列具有以下特色：采用了阻碍背景噪音的声音孤立技术，一个可以调谐过滤其他背景噪音的音频输入麦克风，一个多功能的控制开关可以用来调节音量以及转换调节声音输入和音频输出。该系列也配备了一个配件包

Perfect for audio enthusiasts looking to upgrade their earphones, the i2c provides you with the convenience of either listening to your music or answering a call on your mobile phone. Standard versions work with portable audio players and most cell phones. A single connector version is available for use with the TreoTM 650 and 700W.

Sound Isolating Design
Speaker Type: Dynamic MicroDrivers
VoicePort Inline Microphone
Multi-Function Control Switch
Single and Dual Connector Versions

The I Series Integrated Sound Isolating Earphones are built to the same specifications as Shure's award-winning E Series. Hear how effective Sound Isolation is at blocking out real-world noise in the Shure Virtual Sound Lab.

Key Features:
Sound Isolating Technology
The i2c's in ear design works like an earplug to block background noise naturally. This enables you to listen comfortably at lower volumes-even in loud environments. And unlike bulky headphones utilizing active noise cancellation technology, no artifacts are introduced into your listening experience. Sound isolating earphones are also much smaller and don't require batteries. Outside noise is reduced by 30-37 dB, so no matter how noisy it gets on the train or at the airport, you can always hear your music-OR your conversation.

Speaker Type: Dynamic MicroDrivers
The i2c's speakers are constructed with the same studio-grade components as our award-winning E Series Earphones, producing outstanding audio clarity that allows you to hear your music like never before.

Multi-Function Control Switch
The integrated multi-function control switch allows you to conveniently switch between listening to music and fielding phone calls, adjust music volume, and mute the VoicePort Inline Microphone.

VoicePort Inline Microphone
The VoicePort Inline Microphone is acoustically tuned to filter out background noise and minimize wind noise-ensuring that callers hear you clearly even in the noisiest situations.

Single or Dual Connector Versions
Choose between a dual connector version-which allows you to plug into both a portable audio player and a mobile phone-or a single connector version that's engineered for compatibility with the TreoTM 650 and 700W. Click here to check Phone Compatibility.

Personal Fit Kit
Because every ear is different, i2c Earphones come with three pairs (small, medium, large) of disposable Foam Sleeves, three pairs (small, medium, large) of Flex Sleeves, and three pairs (small, medium, large) of Soft Flex Sleeves, to ensure the ideal personalized fit.

Secure In Ear Design
The soft, flexible sleeves in the Fit Kit gently contour to the inside of the ear for a comfortable, secure fit so that the earphones don't fall out -even while exercising or hurrying to make your flight.

Carrying Case
The i2c comes with a stylish, compact carrying case, providing a convenient, tangle-free way to store your earphones.

i2c Technical Specifications:

Speaker Type: Dynamic MicroDrivers
Sensitivity (at 1kHz): 105dB SPL/mW
Impedance (at 1kHz): 16 Ohms
Cable Length: 1.61m (63 inches)
Output Connectors: Single - 2.5 mm gold-plated, right-angle,4 conductor plug
Dual - Audio: Gold-plated stereo, 3.5mm (1/8-inch) phone plug. Phone: 2.5 mm gold-plated, right-angle, 3 conductor plug