Multipoint Bluetooth Access, Swivel Mic for L/R Ear, Noise Cancellation Microphone * Includes Car & USB Charge * Specifications: Bluetooth Version: v2.0 + EDR, RF Sensitivity: ? -75 dBm, Range of Frequency: 2.4 MHz to 2.4835 MHz, Operation Distance: Up to 10 meters * Compatible with: Apple iPad, Apple iPad 2, Apple iPhone, Apple iPhone 3G, Apple iPhone 3Gs, Apple iPhone, Apple iPhone 4, Apple iPhone 4CDMA, Apple iPhone 4S * Also Compatible with all Cell Phone Models and Brands that are Bluetooth enabled: BlackBerry By RIM, Cal-Comp, Casio, Danger, HP, HP Palm, HTC, Huawei, Kyocera, LG, Motorola, Nokia, Pantech, PCD, Samsung, Sanyo, Sony Ericsson, UTStarcom, and ZTE