this product is a very good product which can be used for easy conversation when you are driving, it gives full concentration.

Product Notes
TF Card slot and A2DP function for listening to MP3's on the built-in speaker or cars
stereo system (via FM transmission)
For passenger handsfree access or added driver convenience the included wireless
earpiece enables calls to be safely received and ended
If you are listening to music being played through the car stereo when a call is received,
the music will stop playing automatically to allow you to accept the incoming call. The
adapter is designed with your convenience and safety in mind.

Manufacturer Specifications
Bluetooth Edition: 2.0 - BlueCore3
Bluetooth Support: HSP (Headset Profile), HFP (Hands Free Profile), A2DP (Advance
Audio Distribution Profile)
Bluetooth Transmission Distance: 5M -8M
Power Supply: Built-in battery or car lighter adapter
Battery: Rechargeable Li-ion (allows approx 2 hours of talk time)
LCD Display Resolution: 112*16
FM Transmission Frequency: 87.5 - 108MHz (user selected channel)
Buttons/Ports:
Answer call button
Hang up call button
Speaker button to switch speaker source
Headphone IN (2.5mm)
Power ON/OFF
FM Frequency button
Pause/Play button
Volume button
NEXT/PREV buttons
TF card
Power charger IN port

prices: N11000 without TFcard