EMPIRE Huawei Impulse 4G / Express M650 / Mercury M886 3.5mm Stereo Hands-Free Headset Headphones (Pink) + Car Charger + Stereo Auxiliary Cable [EMPIRE Packaging] Compatible with Huawei devices. Headset's built in microphone produces crystal clear voice reproduction. Charger has intelligent IC chip which helps prevent device from overcharging. Auxiliary cable connects to any device with a 3.5mm mini-stereo jack. EMPIRE is a registered trademark with the USPTO.