• Battlemaster's Vivacity
• Item Level 245Disenchants into:
  [Abyss Crystal]: 1-2
• Binds when picked up
• Trinket
• Requires Level 80
• Requires personal and team arena rating of 1650
• Equip: Improves haste rating by 128.
  Use: Increases maximum health by 4608 for 15 sec. Shares cooldown with other Battlemaster's trinkets.
• Cooldown: 3 minutes

Source

This item is sold by the following vendors for 34,100 :

•  Captain Dirgehammer <Apprentice Armor Quartermaster> in Stormwind City
•  Sergeant Thunderhorn <Apprentice Armor Quartermaster> in Orgrimmar

Patch changes

• Patch 3.2.0 (04-Aug-2009): Added. 
  

External links

• Battle.net (EU)
• Wowhead
• Thottbot
• WoWDB