Universal Mobile Phone Desktop & Car Speaker

Features:
1) Can use in office or home for conference calls
2) Compact and convenient, uses 4 x AAA batteries, no need for power
supply wire
3) Removable car cigarette plug, can charge during driving when using as
hands-free car kit
4) Suitable for all brands and models of mobile phones
5) Can adjust the volume
6) Good design and compact size, logo can be printed
7) Input voltage: 12 -24V
8) Output power: 0.5W
9) Optional accessories: universal phone holder, ear pieces and rechargeable
batteries
10) Patent number: 2004301516109