Good deal if for some reason you want to buy two of these. Effectively comes at half price. Gets good reviews at Amazon.http://www.amazon.co.uk/Genuine-Sony-Ericsson-HCB-100-Bluetooth/dp/B000LUQ0B2
When you're on the road, nothing is more important than safety at the highest performance standards. However, that doesn't just apply to the car you're driving. With a Bluetooth Car Speakerphone HCB-100 you can keep your eyes on the road ahead yet still take, make and reject calls. Extremely safe and straightforward to use at the wheel, the HCB-100 will last the distance for the most arduous journeys. Up to 15 hours' talk time with a standby time of up to 25 days is high performance defined.
Bluetooth Car Speakerphone
Improved road safety
Up to 15 hours talk time
Up to 25 days standby time