Sennheiser Enterprise Solution 615104247338 SD 30 HS VOIP Telephone Headset, Black 506002

• Headset for SD Pro base
• Over-the-head, DECT Wireless dual-sided Premium communications headset
• Rapid recharge - re-charge 50% of your battery in 20 minutes
• Active Guard technology protects against acoustical shock
• Ultra noise cancelling microphone

Sennheiser SD Pro2 - headset only, DECT wireless office headset with
accessories (headband, ear hook, nameplate, CD, quick guide), no base.