Eartec UltraLITE UL4S HD Kit - 4x Single Ear Headphones, case, charger

Eartec UltraLITE 4 Person System with 4 Single 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.