Spracht ZUM COMBO Bluetooth/USB Wireless Headset + Base - Mono - Wireless - Bluetooth - 33 ft - 32 Ohm - 300 Hz - 3.40 kHz - Over-the-head - Monaural - Supra-aural - Noise Cancelling, Noise Reduction, Echo Cancelling, Uni-directional Microphone - Black

Lightweight design offers comfortable fit during extended wear 180mAh battery offers up to 12 hours of talk time Bluetooth technology connects wirelessly with your compatible device Noise-canceling mic filters ambient noise for clear, natural conversations Can also be used as a Softphone headset via USB cable to your computer