White AEC Echo Cancellation Wireless Bluetooth Headphones 3.0 Stereo Earphone, Adjustable Over-the-ear Headset, Built-in Microphone Volume Control, Compatible with any Bluetooth Devices (Iphone, Ipad, Galaxy, Htc, Cell Phone, Tablet, PC, Laptop) 100% brand new AEC headphones Bluetooth version: V3.0+EDR;Support 3.5 mm stereo audio input Compatible with Bluetooth enabled devices - easy syncing Applied to iPhone, iPad, Galaxy, HTC, Cell phone, Tablet, PC, Laptop Built-in microphone support digital signal processing echo cancellation technology