This Dandy Gadget: Nokia introduced Bluetooth speaker, HF-310 which is perfectly suitable to loud your smartphone sound in the car.
This new Nokia Bluetooth speaker represent in 80mm(diameter)x 21mm(thickness), and it weighs 81 g. At the center of HF-310 is end the call button, the volume is adjusted with the ring that covers the device. Integrated battery provides 30 hours of work in a call, or 960 hours in standby mode.
Fashioned in elegant color finish, Nokia HF-310 Bluetooth speakers is still wearing a cloudy cloth of its availability and price. [Dandy Gadget Source]