How much does this cost to the nearest dollar?

GROM audio RVRB3 Compatible with Select* Rover Land Rover Alpine Stereo Bluetooth Adapter; Auxiliary and HD Radio® Capable
*Compatible with the following vehicles Rover Rover 75 (Alpine stereos / No Navigation); Rover Rover MG (Alpine stereos / No Navigation); Rover LANDROVER ZT (Alpine stereos / No Navigation); Rover Discovery (Alpine stereos / No Navigation). The Package Consist of GROM BT3 digital Interface; Omnidirectional microphone with swivel feet; Vehicle specific harness; Installation Manual. Plug and play installation. Control your media from stereo or steering wheel. Bluetooth Streaming and Handsfree Calls. In hands free mode accept & reject phone calls, voice dial. Bluetooth Audio streams directly from your phone to the stereo. module has two

Price is $156.00
Price: $155.99