The Hamilton Buhl SOP-HA66M Sack-O-Phones- 5 Pack of Hamilton HA66M Deluxe MultiMedia Headphones with Microphone. Sack-O-Phones packaging is a unique bag that doubles as a knap sack and holds 5 deluxe or 10 personal headphones. It's a great way to store headphones easily and economically, no need for costly plastic cases for storage.

Sack-O-Phones Includes:

• (5) HA66M Deluxe MultiMedia Headphones with Microphone
• (1) Sack-O-Phone Carry Bag

• Carry Bag
• 18" x 14"
• Draw string, Non-Woven Polypropylene Material

Headphone Specifications:

• Headphone:
  • Speaker Drivers: 40mm Mylar Magnet Ferrite Cobalt
  • Frequency Response: 20-20,000 Hz
  • Impedance: 32 Ohms +- 15% each side
  • Sensitivity: 110dB
  • Max. Input: 30 mw
  • Plugs: 1 /8Stereo, black jacketed, nickel plated
  • Cord: 7 feet
  • Headband: Adjustable, Vinyl Covered
  • Black vinyl
• Microphone:
  • Electret condenser, Omni Directional
  • Sensitivity: -41dB, standard -38dB, max -35dB
  • Frequency Response: 20-16,000Hz
  • Impedance: 1,500 Ohms
  • Operating Voltage Nominal 3V: Accepts 1.5V-10V "
  • Plug: 1/8" Nickel Plated Stereo, Red Jacketed
  • Warranty 1 Year

Optional Accessories (not included):

• HygenX45 - Disposable sanitary ear cushions covers (Box of 50 Pair)

Prevent The Spread of Lice:
Built with kid's health and safety in mind, these headphones are designed to combat the spread of head lice in schools. Each headphone comes in its own heavy-duty, write-on, moisture-resistant, reclosable bag. When sealed in the bag, lice are killed in 24-48 hours, without the use of chemicals.