If you are looking for a Bluetooth headset at a cheap price then the Jabra BT2040 Bluetooth headset should suit your needs at just $3.99 plus shipping.
The Jabra BT2040 Bluetooth headset operates via 1 AAAA battery so no charging is required and offers in excess of 480 minutes of talk time on a single battery along with 6 months standby time.
The Jabra BT2040 is a no nonsense Bluetooth headset with auto-pairing, auto-sleep mode, 10 metre range, with a weight of 16 grams and measures 53 x 19 x 15mm, and is compliant to Bluetooth 2.0 specifications.
Source – Woot
I own that headset, it’s very good…