You will need one of the following documents:
College Students / Parents
  • Instant Online Verification
  • Dated Student ID from the current semester or school year
  • Course Schedule
  • Registration Receipt for this semester
  • Letter of Enrollment on school letterhead.
K-12 Student / Parents
  • Report Card
  • Dated Student ID from the current semester or school year
  • Registration Receipt
  • Letter of Enrollment on school letterhead
Teachers, Faculty, or Staff
  • Link to your faculty web page
  • Current Faculty ID
  • Letter of Employment on school letterhead
  • Pay Stub (cross out confidential information)
Home School
  • Membership in Home School Association
  • Receipt for Home School Curriculum
  • Letter of intent to home school from a state agency
School Districts, Colleges, Universities
  • Your Purchase Order
Non-Profit Organizations
  • Copy of IRS 501(c)3 form
  • IRS letter stating that you are a 501(c)3
Sennheiser Electronic Corporation
Product ID: 1650811 | Mfg Part #: 504578
$55.95

Ships in 1-2 Business Days


BTD 800 USB ML
The BTD 800 USB ML is a PC dongle designed to work seamlessly with the Sennheiser PRESENCE™ UC ML Bluetooth® headset and Sennheiser MB Pro UC ML Bluetooth® headsets.

Optimized for Microsoft Lync
Together with the BTD 800 USB ML, Senn­heiser PRESENCE™ UC ML and MB Pro UC ML headsets provide you with a high end solution that lets you maximize the potential of your Unified Communications.