Wow, this looks like a nice upgrade!
http://www.senabluetooth.com/products/smh10r.php?tab_menu=overviewFeatures
Bluetooth 3.0
Bluetooth intercom up to 900 meters (980 yards)*
Light weight and ultra slim profile
Four-way conference intercom
Conference phone call with intercom participant
Multipoint for mobile phone+GPS
Voice prompts
Bluetooth stereo headset for Bluetooth audio devices such as MP3 players
Bluetooth music playback control by AVRCP: Play, pause,track forward and track back
Sufficient sound level with integrated audio booster
Bluetooth handsfree for Bluetooth mobile phones
Bluetooth headset or stereo headset for Bluetooth GPS navigations
Water resistant for use in inclement weather
Crystal clear and natural sound quality
Can be used while charging on road trip
Individual volume control for each audio source
Firmware upgradeable
Peace of mind - thanks to the two-year warranty