NoiseHush NX40 - 11674 3.5mm Stereo Headset with Mic for Apple iPad/iPad 2/iPod/iPhone 3Gs 4 4S/and All  Cell Phone Models and Brands - Bluetooth Headset - Retail Packaging - White Hands free In-line Microphone, Noise Isolation with Precise Bass High Fidelity Sound, Universal 3.5 mm Jack Specifications: Drive Unit: 9 mm, Sensitivity: 90 dB, Impedance: 16 Ohms, Cable Length: 125 mm, Jack: 3.5 mm, Frequency Range: 20-20,000Hz Compatible with: Apple iPad, Apple iPad 2, Apple iPhone, Apple iPhone 3G, Apple iPhone 3Gs, Apple iPhone 4, Apple iPhone 4CDMA, Apple iPhone 4S Also Compatible with all Cell Phone Models and Brands: BlackBerry By RIM, Cal-Comp, Casio, Danger, HP, HP Palm, HTC, Huawei, Kyocera, LG, Motorola, Nokia, Pantech, Samsung, Sanyo, Sharp, Sony Ericsson, and ZTE