Samsung Bluetooth Headset (Black & Silver) for 7€. Next best price is ~14€

   

• Multi-function button for receiving calls, rejecting calls
• Redial, volume control
• Delivery: Bluetooth headset, charger, spare ear plugs, manual
• Weight: 11 g
• Talk time: up to 6 hours
• Standby: up to 110 hours
• Bluetooth Version: 2.0
• Range: up to 10 m

Here is the deal