Eartec UltraLITE UL4D HD Kit - 4x Double Ear Headphones, Case, Charger

Eartec UltraLITE 4 Person System with 4 Double Ear Headset Features:

- Links 4 Users
- Expandable to up to 5 users without a hub or 9 users with HUB
- Full-duplex / simultaneous talk wireless communication
- No license, base station, wires or beltpacks required
- Simple operation - just turn the headset "ON" and talk
- Range up to 300 meters (open air line of sight - remotes from the master)
- Microphone Boom
- Swivels 270 degrees
- Available with double or single headset
- Auto mute - when microphone is in the UP position
- Light and comfortable
- Long battery life

Rechargeable Lithium Battery 
Since UItraLITE headsets feature self-contained. "All in One" design all electronics, even the battery, is installed in the headset plastics. The batteries are lightweight and about the size of a book of matches. They charge in about 3 hours, run for 6 hours and can be changed out in seconds. Since they are Lithium-ion, the batteries do not have to be drained after each use and will never develop a memory.

- Change battery in Seconds
- Fully charged battery lasts: up to 6 hours
- 3 hours to gain a full charge
- Li-ion battery (does not have to be "drained" after each use / no memory developed)
- 3.7 V 800 mAh 3.0 Wh

Notes:

It is recommended to purchase additional batteries if you will need to use the system for more than 6 hours in a day.
Master headphones can not be used together with the HUB.
Current Eartec UltraLITE HD version headsets are not compatible with older (non HD) models.

Tehnical data:

Standard – DECT 6.0 (Digital Enhanced Cordless Telecommunications)
Frequency – 1920 – 1930MHz (USA), UK/EU Frequency: 1880 – 1900MHz (UK/EU)
Channel Bandwidth: 1.728 GHz
Modulation Type: GFSK
Transmission Speed: 1.152 Mbps (Baud Rate)
Duplexing: Time Division Duplex (TDD)
Speech Encoding: ADPCM I 32bit/s
RF Accessing: Time Division Multiple Access (TDMA)
Range: Up to 400m (Line of Sight)
Headset Power Supply: Rechargeable Lithium 3.7 W / 800 mAh 3.0 Wh
Charger Power Supply: AC INPUT 110-240Vac OUTPUT 5.0V – 1 1000mA
Charge Time: 3 hours
Operation Time: Up to 6 hours
Storage Temperature: -10 C to 60 C