Cheapest Bluetooth handsfree car kit BCK08B1 with large speaker

1.with 1pcs car charger& Clamp; ;
2. manual
3.Standard package
4:OEM COST ADD COST

Bluetooth  V2.1;Full Duplex Sound Quality;Features latest CVC echo/noise reduction for reducing background noise.;Sun Visor Clip Design ;Multipoint support, can connect to more than two cell phones at the same time;One-touch answer, call rejection, last number redial, adjustable volume;Voice dialing function (Voice activation subject to voice activation enabled phones)*;With high-definition seaker for good conversation;