Mwave offers the SYBA Bluetooth v2.1 EDR Headset in Yellow, model no. CL-AUD23038, for $19.99 with free shipping. That's the lowest total price we could find by $8. Features include a built-in rechargeable battery; simultaneous connectivity via HFP and A2DP; intuitive buttons; built-in microphone; and compatibility with HSP, HFP, A2DP, and AVRCP.