: The HM3500 from Samsung allows you to convert a mono Bluetooth headset to a stereo headset with wired stereo earphone. With the HM3500 you can listen to your favourite music whilst being paired with up to 2 mobile phones using multi-point technology. The double microphone noise reduction means you have 200 per cent more clarity then your typical single mic headset. Compatible with most Bluetooth enabled devices. Up to 180 hours standby time; 360 mins talktime; Noise cancelling technology; Bluetooth version 2.1 EDR; Multi-point technology; Weight 10 g; EAN/Barcode 8808993833269; Please note that this product is excluded from our 30 Day Money Back Guarantee - this does not affect your statutory rights. Free delivery by post.