네이버쇼핑가 37,960원입니다. Tax에 배대지 수수료 포함해도 저렴하겠네요

http://shopping.naver.com/search/all_search.nhn?where=all&query=%B8%B6%C0%CC%C5%A9%B7%CE%BC%D2%C7%C1%C6%AE%20%BA%ED%B7%E7%C5%F5%BD%BA%20%B8%B6%BF%EC%BD%BA&cat_id=01010402&nv_mid=6009185130&frm=nv_product

Micorsoft Bluetooth Mouse ($19)

http://www.staples.com/Microsoft-Bluetooth-Notebook-Mouse-5000/product_713413?PID=889052&storeId=10001&AID=10422268&cm_mmc=CJ-_-889052-_-889052-_-10422268&CID=AFF%253A889052%253A889052%253A10422268

Lenovo Bluetooth Mouse($14)

http://shop.lenovo.com/SEUILibrary/controller/e/web/LenovoPortal/en_US/integration.workflow:ProductDisplayItem?IsBundle=false&GroupID=38&Code=57Y6482&AID=10383968&PID=1225267&SID=u955176t0f0fp64034dd0c0s590&CJURL=http%3A%2F%2Fshop.lenovo.com%2FSEUILibrary%2Fcontroller%2Fe%2Fweb%2FLenovoPortal%2Fen_US%2Fintegration.workflow%3AProductDisplayItem%3FIsBundle%3Dfalse%26GroupID%3D38%26Code%3D57Y6482

Lenovo has Lenovo N6901A Bluetooth Laser Mouse for $39.99 - $26 with coupon code USP1D16482 = $13.99 + free shipping.