Wireless headset with a maximum rotation of approximately 260°, a communication range of about 50m, and approximately 30 hours of continuous talk time. - Brand: AudioComm - Model Name: HST-W01 - Type: Wireless Headset - Charging Method: microUSB - Rotation Function: Approximately 260° maximum rotation - Windscreen: Detachable - Communication Range: Approximately 50m - Continuous Talk Time: Approximately 30 hours Please refrain from price negotiations as prices are adjusted periodically. For bulk purchases, please consult via comments. Thank you for viewing.