The UL312AU UltraLITE 3-Person Headset System from Eartec includes one UltraLITE Single Master headset, two UltraLITE Double Remote headsets, three batteries, a two-port charger, and a medium soft-side case. It is designed to accommodate three-person crews who need to communicate wirelessly while simultaneously working with their hands. It's intended for use in Australia.

The UltraLITE single and dual headsets have the tranceiver built right inside the ear-cup, eliminating headset wires and belt worn radios. They provide two-way voice communication and the microphone arm can swivel 270°.
Eartec UltraLITE Single-Ear Master Headset with Rechargeable Lithium Battery (Australian Version)

The Australian version UltraLITE Single-Ear Master Headset with Rechargeable Lithium Battery from Eartec is a self-contained, replacement full-duplex wireless intercom headset. It can be used to provide simultaneous talk and two-way voice communication for users that need to work with their hands, yet also require one ear free to listen to what is going on around them.

The system eliminates belt-worn radios because all electronics are built into the ear cups. The fully adjustable noise cancelling microphone ensures effective voice communication.
Eartec UltraLITE Dual-Ear Remote Headset with Rechargeable Lithium Battery (Australian Version)

The Australian version UltraLITE Dual-Ear Remote Headset with Rechargeable Lithium Battery from Eartec is a self-contained, replacement full-duplex wireless intercom headset. It can be used to provide simultaneous talk and two-way voice communication for users that need to work with their hands, yet also require effective voice communication even in high-noise environments.

The system eliminates belt-worn radios because all electronics are built into the ear cups. The fully adjustable noise cancelling microphone ensures effective voice communication.
Eartec 2-Bay Multi-Port Charging Base with AU Plug Adapter

The Eartec Multi-Port Charging Base with AU Plug Adapter features 2 bays to recharge the batteries for UltraLITE, UltraPAK, and HUB. When the batteries reach full charge, the corresponding LED turns from red to green indicating that the battery is charged up and ready to go. The use of external batteries allows users to keep their systems up and running with minimal down time. The charge time is approximately three hours. The charging base ships with an AC adapter and AU plug.
In the Box

Eartec UltraLITE Single-Ear Master Headset with Rechargeable Lithium Battery (Australian Version)
Rechargeable Battery
Limited 1-Year Warranty
Limited 60-Day Warranty for Rechargeable Batteries
2 x Eartec UltraLITE Dual-Ear Remote Headset with Rechargeable Lithium Battery (Australian Version)
Rechargeable Battery
Limited 1-Year Warranty
Limited 60-Day Warranty for Rechargeable Batteries
Eartec 2-Bay Multi-Port Charging Base with AU Plug Adapter
AC Adapter with AU Plug
Limited 1-Year Warranty
Medium Soft-Side Case

Standard DECT 6.0 (Digital Enhanced Cordless Telecommunications)
Frequency 1880 to 1900 MHz
Channel Bandwidth 1728 GHz
Modulation Type GFSK
Transmission Speed 1.152 Mbps (baud rate)
Duplex Operation Time division duplex (TDD)
Speech Coding ADPCM / 32 bits per second
RF Characteristics Time division multiple access (TDMA)
Range 1312' / 400 m open space
Power Supply Rechargeable lithium 3.7 V/800 mAh 3.0 Wh
Charger Type AC Adapter:
Input 110-40 VAC
Output 5.0 V 11000 mA
Charge Time 3 hours
Operation Time 6 hours
Storage Temperature 14 to 140°F / -10 to 60°C
Dimensions Not specified by manufacturer
Weight 4.0 oz / 113.4 g