Main Features System Operating Frequency: 600 MHz Interfaces/Ports: 1 x Mini-phone Microphone Out - Receiver, 1 x USB - Receiver, 1 x USB - Transmitter Dimensions: 2.4 Height x 1.7 Width x 0.5 Depth - Receiver Limited Warranty: 1 Year Marketing Information The AirLine Micro Wireless Earset System is a breakthrough that utilizes the latest in lithium ion battery technology and small, high-quality audio and RF components to bring performance freedom and convenience to a new level. The result is not only our smallest wireless system, but also our most comfortable, reliable and versatile system ever. Package Contents AH2 Transmitter AR2 Receiver AR2 Dock System Carry Case AC Adapter Charging Cables Information Name: AIRLINE MICRO ES SYSTEM Category: On Wall Speakers UPC Code: 999999406697 General Information TX- Brand Name Samson Manufacturer Samson Technologies Corp. Manufacturer Part Number Product Line AirLine Micro Product Type Wireless Microphone System Interfaces/Ports Interfaces/Ports 1 x Mini-phone Microphone Out - Receiver 1 x USB - Receiver 1 x USB - Transmitter Miscellaneous Additional Information Tone squelch and auto mute for clear operation Earset transmitter and omnidirectional microphone with no beltpack Single button operation for power, mute and volume USB DC input for power and recharging Package Contents AH2 Transmitter AR2 Receiver AR2 Dock System Carry Case AC Adapter Charging Cables Physical Characteristics Dimensions 2.4 Height x 1.7 Width x 0.5 Depth - Receiver Warranty Standard Warranty 1 Year